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1. SARS-CoV-2 infection prevalence and associated factors among primary healthcare workers in France after the third COVID-19 wave

Author

Pouquet, Marie, Decarreaux, Dorine, Di Domenico, Laura, Sabbatini, Chiara E., Prévot-Monsacre, Pol, Fourié, Toscane, Villarroel, Paola Mariela Saba, Priet, Stephane, Blanché, Hélène, Sebaoun, Jean-Marc, Deleuze, Jean-François, Turbelin, Clément, Rossignol, Louise, Werner, Andréas, Kochert, Fabienne, Grosgogeat, Brigitte, Rabiega, Pascaline, Laupie, Julien, Abraham, Nathalie, Noël, Harold, van der Werf, Sylvie, Colizza, Vittoria, Carrat, Fabrice, Charrel, Remi, de Lamballerie, Xavier, Blanchon, Thierry, and Falchi, Alessandra

Published
2024
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5. Genomic analysis of Vibrio cholerae O1 isolates from cholera cases, Europe, 2022.

Author

Rouard, Caroline, Greig, David R., Tauhid, Thamida, Dupke, Susann, Njamkepo, Elisabeth, Amato, Ettore, van der Putten, Boas, Naseer, Umaer, Blaschitz, Marion, Mandilara, Georgia D., Stuart, James Cohen, Indra, Alexander, Noël, Harold, Sideroglou, Theologia, Heger, Florian, van den Beld, Maaike, Wester, Astrid Louise, Quilici, Marie-Laure, Scholz, Holger C., and Fröding, Inga

Published
2024
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7. Application of Machine Learning Prediction of Individual SARS-CoV-2 Vaccination and Infection Status to the French Serosurveillance Survey From March 2020 to 2022: Cross-Sectional Study

Author

Bougeard, Stéphanie, primary, Huneau-Salaun, Adeline, additional, Attia, Mikael, additional, Richard, Jean-Baptiste, additional, Demeret, Caroline, additional, Platon, Johnny, additional, Allain, Virginie, additional, Le Vu, Stéphane, additional, Goyard, Sophie, additional, Gillon, Véronique, additional, Bernard-Stoecklin, Sibylle, additional, Crescenzo-Chaigne, Bernadette, additional, Jones, Gabrielle, additional, Rose, Nicolas, additional, van der Werf, Sylvie, additional, Lantz, Olivier, additional, Rose, Thierry, additional, and Noël, Harold, additional

Published
2023
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9. Attitudes towards booster, testing and isolation, and their impact on COVID-19 response in winter 2022/2023 in France, Belgium, and Italy: a cross-sectional survey and modelling study

Author

de Meijere, Giulia, primary, Valdano, Eugenio, additional, Castellano, Claudio, additional, Debin, Marion, additional, Kengne-Kuetche, Charly, additional, Turbelin, Clément, additional, Noël, Harold, additional, Weitz, Joshua S., additional, Paolotti, Daniela, additional, Hermans, Lisa, additional, Hens, Niel, additional, and Colizza, Vittoria, additional

Published
2023
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10. Long lasting anti-IgG chikungunya seropositivity in the Mayotte population will not be enough to prevent future outbreaks: A seroprevalence study, 2019.

Author

Ortu, Giuseppina, Grard, Gilda, Parenton, Fanny, Ruello, Marc, Paty, Marie-Claire, Durand, Guillaume André, Hassani, Youssouf, De Valk, Henriette, and Noël, Harold

Subjects
CHIKUNGUNYA, ARBOVIRUS diseases, COVID-19, SEROCONVERSION, SEROPREVALENCE, SERODIAGNOSIS, POISSON regression, MOSQUITO control
Abstract

Chikungunya is an arboviral disease causing arthralgia which may develop into a debilitating chronic arthritis. In Mayotte, a French overseas department in the Indian Ocean, a chikungunya outbreak was reported in 2006, affecting a third of the population. We aimed at assessing the chikungunya seroprevalence in this population, after over a decade from that epidemic. A multi-stage cross sectional household-based study exploring socio-demographic factors, and knowledge and attitude towards mosquito-borne disease prevention was carried out in 2019. Blood samples from participants aged 15–69 years were taken for chikungunya IgG serological testing. We analyzed associations between chikungunya serological status and selected factors using Poisson regression models, and estimated weighted and adjusted prevalence ratios (w/a PR). The weighted seroprevalence of chikungunya was 34.75% (n = 2853). Seropositivity for IgG anti-chikungunya virus was found associated with living in Mamoudzou (w/a PR = 1.49, 95%CI: 1.21–1.83) and North (w/a PR = 1.41, 95%CI: 1.08–1.84) sectors, being born in the Comoros islands (w/a PR = 1.30, 95%CI: 1.03–1.61), being a student or unpaid trainee (w/a PR = 1.35, 95%CI: 1.01–1.81), living in precarious housing (w/a PR = 1.30, 95%CI: 1.02–1.67), accessing water streams for bathing (w/a PR = 1.72, 95%CI: 1.1–2.7) and knowing that malaria is a mosquito-borne disease (w/a PR = 1.42, 95%CI: 1.21–1.83). Seropositivity was found inversely associated with high education level (w/a PR = 0.50, 95%CI: 0.29–0.86) and living in households with access to running water and toilets (w/a PR = 0.64, 95%CI: 0.51–0.80) (n = 1438). Our results indicate a long-lasting immunity from chikungunya exposure. However, the current population seroprevalence is not enough to protect from future outbreaks. Individuals naïve to chikungunya and living in precarious socio-economic conditions are likely to be at high risk of infection in future outbreaks. To prevent and prepare for future chikungunya epidemics, it is essential to address socio-economic inequalities as a priority, and to strengthen chikungunya surveillance in Mayotte. [ABSTRACT FROM AUTHOR]

Published
2023
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11. Seroprevalence of SARS-CoV-2 IgG Antibodies and Factors Associated with SARS-CoV-2 IgG Neutralizing Activity among Primary Health Care Workers 6 Months after Vaccination Rollout in France

Author

Decarreaux, Dorine, primary, Pouquet, Marie, additional, Souty, Cecile, additional, Vilcu, Ana-Maria, additional, Prévot-Monsacre, Pol, additional, Fourié, Toscane, additional, Villarroel, Paola Mariela Saba, additional, Priet, Stephane, additional, Blanché, Hélène, additional, Sebaoun, Jean-Marc, additional, Deleuze, Jean-François, additional, Turbelin, Clément, additional, Werner, Andréas, additional, Kochert, Fabienne, additional, Grosgogeat, Brigitte, additional, Rabiega, Pascaline, additional, Laupie, Julien, additional, Abraham, Nathalie, additional, Guerrisi, Caroline, additional, Noël, Harold, additional, Van der Werf, Sylvie, additional, Carrat, Fabrice, additional, Hanslik, Thomas, additional, Charrel, Remi, additional, De Lamballerie, Xavier, additional, Blanchon, Thierry, additional, and Falchi, Alessandra, additional

Published
2022
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14. Nationwide Seroprevalence of SARS-CoV-2 IgG Antibodies among Four Groups of Primary Health-Care Workers and Their Household Contacts 6 Months after the Initiation of the COVID-19 Vaccination Campaign in France: SeroPRIM Study Protocol

Author

Pouquet, Marie, primary, Decarreaux, Dorine, additional, Prévot-Monsacré, Pol, additional, Hervé, Corentin, additional, Werner, Andréas, additional, Grosgogeat, Brigitte, additional, Blanché, Hélène, additional, Rabiega, Pascaline, additional, Laupie, Julien, additional, Kochert, Fabienne, additional, Abraham, Nathalie, additional, Sebaoun, Jean-Marc, additional, de Lamballerie, Xavier, additional, Charrel, Remi, additional, Souty, Cecile, additional, Camara, Ibrahima, additional, Pergeline, Jeanne, additional, Noël, Harold, additional, Guerrisi, Caroline, additional, Werf, Sylvie van der, additional, Carrat, Fabrice, additional, Hanslik, Thomas, additional, Blanchon, Thierry, additional, and Falchi, Alessandra, additional

Published
2021
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15. Mortality from malaria in France, 2005 to 2014

Author

Kendjo, Eric, Thellier, Marc, Noël, Harold, Jauréguiberry, Stéphane, Septfons, Alexandra, Mouri, Oussama, Gay, Frédérick, Tantaoui, Ilhame, Caumes, Eric, Houzé, Sandrine, Piarroux, Renaud, Musset, Lise, Institut Pierre Louis d'Epidémiologie et de Santé Publique (iPLESP), Sorbonne Université (SU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre National de Référence du Paludisme [CHU Pitié-Salpétrière], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU), Santé publique France Guyane, Santé publique France - French National Public Health Agency [Saint-Maurice, France], CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Mère et enfant en milieu tropical : pathogènes, système de santé et transition épidémiologique (MERIT - UMR_D 216), Institut de Recherche pour le Développement (IRD)-Université de Paris (UP), AP-HP - Hôpital Bichat - Claude Bernard [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Laboratoire de Parasitologie [Cayenne, Guyane française], Institut Pasteur de la Guyane, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP), Centre National de Référence du Paludisme [Cayenne, Guyane française] (CNR), Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU), Mère et enfant en milieu tropical : pathogènes, système de santé et transition épidémiologique (MERIT - UMR_D 261), Institut de Recherche pour le Développement (IRD)-Université Paris Cité (UPCité), Réseau International des Instituts Pasteur (RIIP), Centre National de Référence du Paludisme [Cayenne, Guyane française] (CNR - laboratoire associé), Centre Collaborateur OMS pour la surveillance de la résistance aux antipaludiques [Cayenne, Guyane française] (CCOMS), Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP)-Organisation Mondiale de la Santé / World Health Organization Office (OMS / WHO), The French imported malaria Study group: C. Strady (CHU Reims), Caroline Lohmann (CH du Moenchsberg, Mulhouse), Celine Arriuberge (CH Trousseau, Paris), Emmanuel Grimprel (CH Trousseau, Paris), Jean-Marie Delarbre (CH du Moenchsberg, Mulhouse), Michel Thibault (CH René Dubos, Pontoise), Mohamadou Niang (CHR Orléans), A. Barrans (CH Sète), A. Martin (CH Périgueux), A. Spiegel (DESP Nord), A. Valentin (CHU Toulouse), A.S. Le Guern (Institut Pasteur, Paris), Adela Angoulvant (CHU Kremlin-Bicêtre, Paris), Adeline Dubois (CH Alès), Adrien Genin (CH Pays d'Aix), Agathe Lebuisson (CHU Cochin), Agnes Riche (CH Angoulême), Agnès Durand (Institut Pasteur, Paris), Agnès Fromont (CH Auxerre), Ahmed Aboubacar (CHU de Strasbourg), Ahmed Fateh Ousser (CH Louis Mourier), Aida Taieb (INTS, Paris), Alain Domergue (CH Alès - Cévennes), Alain Gravet (CH du Moenchsberg, Mulhouse), Alain Lecoustumier (CH de Cahors), Albert Faye (CHU Robert Debré, Paris), Alexander Pfaff (CHU de Strasbourg), Alexandra Faussart (CHU Bichat-Claude Bernard, Paris), Alexandre Chlilek (CHU Nîmes), Alice Borel (CHU Amiens), Alice Pérignon (CHU Pitié-Salpêtrière, Paris), Ana Mendes-Mreira (CH La Rochelle), André Gardrat (CH d’Evreux), Ange Kissila (CH Provins), Angèle LI (CH Creil (Laënnec)), Anne Cady (CH Bretagne Atlantique), Anne Debourgogne (CHU de Nancy), Anne Delaval (CHI Robert Ballanger, Aulnay-sous-Bois), Anne Goepp (CHI Villeneuve St Georges), Anne Marfaing-Koka (Hôpital Antoine-Béclère), Anne Pauline Bellanger (CHU Besançon, Jean Minjoz), Anne Vincenot-Blouin (CH Meaux), Anne-Marie Teychene-Coutet (CH Bondy-Jean Verdier), Anne-Sophie Deleplancque (CH Lille), Annick Verhaeghe (CH de Dunkerque), Annie Motard-Picheloup (CHI Fréjus St Raphaël), Antoine Berry (CHU Toulouse), Antoine Huguenin (CHU Reims), Arnaud Bouvet (CH Bretagne Atlantique), Audrey Merens (HIA Begin), Aurelie Roide (CHU Lariboisière, Paris), Aurore Sanson (CH Jacques Cœur, Bourges), Aurélie Fricot (CHU Necker), Aurélie Guigon (CHR Orléans), Benfatallah Dhouha (CHU Necker, Paris), Benjamin Wyplosz (CHU Kremlin-Bicêtre, Paris), Benoît Henri (INTS, Paris), Bernadette Buret (CH Niort), Bernadette Cuisenier (CHU Dijon), Bernadette Worms (CHU Dijon), Bernard Faugère (CH Timone, Marseille), Biligui Sylvestre (CHU Pitié-Salpêtrière, Paris), Boualem Sendid (CH Lille), Bruno Megarbane (CHU Lariboisière, Paris), Bruno Pradines (Département Microbiologie et Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, 13005 Marseille, France, Aix Marseille University, IRD, SSA, AP-HM, VITROME, 13005 Marseille, France, IHU Méditerranée Infection, 13005 Marseille, France, Centre National de Référence du Paludisme, Institut de Recherche Biomédicale des Armées, 13005 Marseille, France), Béatrice Quinet (CH Trousseau, Paris), C. Braidy (CH du Sud Seine et Marne), C. Farrugia (CH de Dourdan), C. Finot (CH de Dreux), Camille Roussel (INTS, Paris), Camille Runel-Belliard (CHU de Bordeaux), Caren Brump (CHU Lariboisière, Paris), Carine Dokoula (CH Jacques Cœur, Bourges), Carmina Camal (CH Louis Mourier), Carole Mackosso (CHU Bichat-Claude Bernard, Paris), Carole Poupon (CH de Gonesse), Caroline Garandeau (CH Angoulême), Catherine Benoit (CH du Sud Seine et Marne), Catherine Branger (CH Louis Mourier), Catherine Brehant (CH La Rochelle), Catherine Desideri-Vaillant (HIA Clermont Tonnerre, Brest), Catherine Kauffmann Lacroix (CH Poitiers), Catherine Lafaurie (CH d’Epernay), Cecile Hombrouck-Alet (CH Blois), Cecile Ramade (Lyon-Croix-Rousse), Celine Damiani (CHU Amiens), Celine Gourmel (CHU Lariboisière, Paris), Chantal Duhamel (CHU Côte de Nacre), Chantal Garabedian (CH Pays d'Aix), Chralotte Chambrion (INTS, Paris), Christelle Morelle (CHU Montpellier), Christelle Pomares Estran (CH Universitaire de Nice), Christelle Prince (CH de Cayenne Andrée Rosemon), Christian Durand (CH Provins), Christian Fulleda (CHU Lariboisière, Paris), Christian Raccurt (CHU Amiens), Christine Chaigneau (GHPSO, Creil), Christine Chemla (CHRU de Reims), Christine Van batten (CH Laënnec, Creil), Christophe Martinaud (HIA Percy, Clamart), Christophe Rapp (HIA Begin), Claire Augé (CHU Bichat-Claude Bernard, Paris), Claire Malbrunot (CH Corbeil Essonne), Claudine Febvre (CH de Montbéliard), Claudine Sarfati (Hôpital Saint-Louis, Paris), Coralie l'Ollivier (CH de la Timone, Marseille), Corinne Huet (Hôpital Louis-Pasteur, Cherbourg-Octeville), Cournac Jean-Marie (HIA Percy, Clamart), Cynthia Pianetti (CH Gabriel Martin, La Réunion), Cécile Angebault (CHU Necker, Paris), Cécile Ficko (HIA Begin), Cécile Garnaud (CHU de Grenoble), Cécile Leprince (CHI Robert Ballanger, Aulnay-sous-Bois), Céliat Merat (CHU Nantes), Céline Dard (CHU de Grenoble), Céline Nourrisson (CHRU Clermont-Ferrand), Céline Tournus (Hôpital Delafontaine, Saint-Denis), Daniel Azjenberg (CHU Dupuytren, Limoges), Daniel Camus (CH Lille), Daniel Lusina (CHI Robert Ballanger, Aulnay-sous-Bois), Daniel Parzy (IMTSSA, Marseille), Denis Pons (CHRU Clermont-Ferrand), Denis Filisetti (CHU Strasbourg), Denis Malvy (CHU de Bordeaux), Didier Basset (CHU Montpellier), Didier Jan (CH Laval), Didier Poisson (CHR Orléans), Didier Raffenot (CH Chambéry), Dieudonné Bemba (CH Bondy-Jean Verdier), Dominique Maubon (CHU de Grenoble), Dominique Mazier (CHU Pitié-Salpêtrière, Paris), Dominique Popjora (CH Trousseau, Paris), Dominique Toubas (CHRU de Reims), Dorothée Quino (CHRU Morvan, Brest), Alioune Ndour (INTS, Paris), Ducout Louis (CH de la Côte Basque), Duong Thanh Hai (CHRU Bretonneau), E. Boyer (CH Le Mans), Edgar Ombandza (CH Provins), Edith Mazars (CH de Valenciennes), Elisabeth Buffet (CH de Epernay), Elodie Collin (CHI Robert Ballanger, Aulnay-sous-Bois), Elodie Meynet (CH Annecy Genevois), Emeline Scherer (CHU Besançon, Jean Minjoz), Emilie Fréalle (CH Lille), Emilie Klein (CHU Lariboisière, Paris), Emilie Sitterle (CHU Necker, Paris), Emily Ronez (CHU Lariboisière, Paris), Emmanuel Dutoit (CH Lille), Enrique Casalino (CHU Bichat-Claude Bernard, Paris), Eric Caumes (CHU Pitié-Salpêtrière, Paris), Eric Dannaoui (Hôpital Européen Georges Pompidou, Paris), Eric Gardien (CH de Draguignan, Bordeaux), Eric Kendjo (CHU Pitié-Salpêtrière, Paris),Eric d'Ortenzio (CHU Bichat-Claude Bernard, Paris), Ermanno Candolfi (CHU de Strasbourg), Estelle Perraud-Cateau (CH Poitiers), Eterne Twizeyimana (CH du Cotentin), F. Roblot (CH Poitiers), Fabienne Pateyron (CH Provins), Fabrice Bruneel (CH de Versailles, André Mignot), Fabrice Legros (CNR du paludisme), Fabrice Simon (HIA Laveran), Fakhri Jeddi (CHU Nantes), Farida M. Benaoudia (CH Troyes), Faïzi Ajana (CH Tourcoing), Felix Djossou (CH de Cayenne Andrée Rosemon), Firouze Banisadr (CHRU de Reims), Florent Morio (CHU Nantes), Francis Derouin (Hôpital Saint-Louis, Paris), Francois Moussel (CH François-Quesnay, Mantes-La-Jolie), Francoise Foulet (CHU Henri Mondor), François Peyron (Lyon-Croix-Rousse), Françoise Benoit-Vical (CHU Toulouse), Françoise Botterel (CHU Henri Mondor), Françoise Gayandrieu (CHU Nantes), Françoise Schmitt (CH du Moenchsberg, Mulhouse), Frederic Ariey (CHU Cochin, Paris), Frédéric Grenouillet (CHU Jean Minjoz, Besançon), Frédéric Sorge (CHU Necker), Frédérique Gay (CHU Pitié-Salpêtrière, Paris), Frédérique Foudrinier (CHRU de Reims), G. Courrouble (CH Blois), G. Gallou (CH de Falaise), G. Julienne (CH Belfort), G. Philippon (Centre Médical CMETE, Paris), Gauthier Pean-de-Ponfilly (CHU Lariboisière, Paris), Geneviève Grise (CH d’Elbeuf), Ghania Belkacem Belkadi (CH Tenon), Gilbert Lorre (CHD La Roche-sur-Yon), Gilles Gargala (CHU Rouen), Gilles Nevez (CHRU Morvan, Brest), Gisele Dewulf (CH de Valenciennes), Guillaume Désoubeaux (CHRU Bretonneau, Tours), Guillaume Escriou (CHU Bichat-Claude Bernard, Paris), Guillaume Le Loup (CH Tenon, Paris), Guillaume Menard (HIA Saint-Anne, Toulon), Guy Carroger (CH Jacques Cœur, Bourges), Guy Galeazzi (CH Louis Mourier), Gwénaël le Moal (CH Poitiers), Hana Talabani (CHU Cochin, Paris), Hanene Abid (CHU Necker, Paris), Helene Broutier (CHI Robert Ballanger, Aulnay-sous-Bois), Herve Pelloux (CHU de Grenoble), Houria Ichou (CH Louis Mourier), Hugo Laurent (CHU Lariboisière, Paris), Hélène Broutier (CH Meaux), Hélène Lapillonne (CH Trousseau, Paris), Hélène Yera (CHU Cochin, Paris), Hélène savini (HIA Laveran), I. Hermes (CH Saint-Malo), Ilhame Tantaoui (CHU Pitié-Salpêtrière, Paris), Isabelle Poilane (CH Bondy-Jean Verdier), Isabelle Amouroux (Hôpital Antoine-Béclère), Isabelle Mazurier (Hôpitaux Civils de Colmar), Isabelle Salimbeni (CH de Cannes), Isabelle Tawa (Centre Médical CMETE, Paris), J Cuziat (CH Saint-Nazaire), J. Bernard Poux (CH de Val d'Ariège - Foix), J. Heurtet (CH Beauvais), J. Rome (CH de Fougères), J. Truchot (CHU Lariboisière, Paris), J.M. Segalin (CHR Orleans), Jacques Gaillat (CH Annecy Genevois), Jacques Le bras (CHU Bichat-Claude Bernard, Paris), Jacques Thevenot (Centre Médical CMETE, Paris), Jacques Vaucel (CH Saint-Brieuc), Jean Dunand (Hôpital Ambroise Paré), Jean Benjamin Murat (CH de Roanne), Jean Marie Trapateau (CH Angoulême), Jean Yves Peltier (CHI Poissy-st-germain), Jean-Etienne Pilo (HIA Begin), Jean-Francois Magnaval (CHU Toulouse), Jean-François Faucher (CHU Jean Minjoz, Limoge), Jean-Paul Boutin (DESP Sud), Jean-Paul Couaillac (CH de Cahors), Jean-Philippe Breux (CH Cholet), Jean-Pierre Hurst (CH Jacques Monod, Le Havre), Jean-Yves Siriez (CHU Robert Debré, Paris), Jean-philippe Bouchara (CHU Angers), Jerome Clain (CHU Bichat-Claude Bernard, Paris), Jerome Naudin (CHU Robert Debré, Paris), Jordan Leroy (CH Lille), Josette Jehan (CH du Cotentin), Joudia Najid (CHU Pitié-Salpêtrière, Paris), Judith Gorlicki (CHU Lariboisière, Paris), Julie Bonhomme (CHU Côte de Nacre), Julie Brunet (CHU de Strasbourg), Jérome Guinard (CHR Orleans), Karima Cheikh (CHU Henri Mondor), L. Pougnet (HIA Clermont Tonnerre, Brest), Lauren Pull (CHU Robert Debré, Paris), Laurence Millon (CHU Jean Minjoz, Besançon), Laurence Campergue-Mayer (CH Avignon), Laurence Estepa (CH Blois), Laurence Lachaud (CHU Nîmes), Laurent Aaron (CH Jacques Cœur, Bourges), Laurent Bret (CHR Orléans), Laurent Guillaume (CH Blois), Liliane Ciceron (CHU Pitié-Salpêtrière, Paris), Lionnel Bertaux (CNR du paludisme), Lise Musset (Institut Pasteur, Guyane), Louise Basmacyan (CHU Dijon), Loïc Favennec (CHU Rouen), Luce Landraud (CH Louis Mourier), Lucile Cadot (CH Alès - Cévennes), Ludovic de Gentile (CHU Angers), Luis Macias (CHU Bichat-Claude Bernard, Paris), Luu-ly Pham (CHU Kremlin-Bicêtre, Paris), M. Cambon (CHRU Clermont-Ferrand), M.F. Biava (CHU de Nancy), M.H. Kiefer (CH du Moenchsberg), M.P. Carlotti (CNR du paludisme), Madeleine Fontrouge (CH de Gonesse), Marc Pihet (CHU Angers), Marc Thellier (CHU Pitié-Salpêtrière, Paris), Marie-Catherine Receveur (CHU de Bordeaux), Marie-Claire Machouart (CHU de Nancy), Marie-Elisabeth Bougnoux (CHU Necker, Paris), Marie-Laure Bigel (CH François-Quesnay, Mantes-la-Jolie), Marie-Laure Darde (CHU Dupuyrien, Limoges), Marie-Nadège Bachelier (CH Jacques Cœur, Bourges), Marion Almeras (CH Béziers), Marion Leterrier (CHU Nantes), Marion Leterrier (CHD La Roche-sur-Yon), Martin Danis (CHU Pitié-Salpêtrière, Paris), Martin G (CH du Cotentin), Martine Bloch (CH Louis Mourier), Martine Liance (CHU Henri Mondor, Paris), Marylin Madamet (IMTSSA, Marseille), Matthieu Revest (CHU Pontchaillou, Rennes),Matthieu Mechain (CHU de Bordeaux), Maxime Thouvenin (CH Troyes), Mermond Sylvain (Institut Pasteur, Nouméa), Michel Develoux (CH Tenon, Paris), Michel Miegeville (CHU Nantes), Milène Sasso (CHU Nîmes), Mohamed Diaby (CH Vernon), Monique Marty (CH La Rochelle), Monique Greze (CH Albi), Monique Lemoine (CHU Bichat-Claude Bernard, Paris), Mouri Oussama (CHU Pitié-Salpêtrière, Paris), Muriel Cornet (Hôpital Hôtel-Dieu, Paris), Muriel Mimoun Ayache (CH Trousseau), Muriel Nicolas (CHU Pointe-à-Pitre / Abymes), Muriel Roumier (CH Arles), Muriel Silva (CH Jacques Monod), Mylène Penot (CERBA), Myriam Gharbi (CHU Bichat-Claude Bernard, Paris), Nadia Guennouni (CHU Bichat-Claude Bernard, Paris), Nadine Godineau (Hôpital Delafontaine, Saint-Denis), Naima Dahane (CHU Cochin, Paris), Nathalie Bourgeois (CHU Montpellier), Nathalie Desuremain (CH Trousseau, Paris), Nathalie Fauchet (CHI de Créteil), Nathalie Parez (CH Louis Mourier), Nathalie Wilhelm (CH de Cahors), Nawel Ait-Ammar (Hôpital Ambroise Paré), Nayla Nassar (CH Auxerre), Nicolas Argy (CHU Bichat-Claude Bernard, Paris), Nicolas Blondiaux (CH Tourcoing), Nicolas Taudon (CERBA), Nicole Desbois-Nogard (CHU de la Martinique), Noura Hassouni (CHU Necker), Odile Bouret-Dubouis (CH Bretagne Atlantique), Odile Eloy (CH de Versailles, André Mignot), Odile Falguiere (CH Béziers), Odile Fenneteau (CHU Robert Debré, Paris), Olivia Bandin (Hôpital Saint-Camille/Bry-sur-Marne), Olivier Albert (CHU de Bordeaux), Olivier Bouchaud (CH Bobigny-Avicenne), Olivier Patey (CHI Villeneuve St. Georges), Olivier Rogeaux (CH Chambéry), P. Clergeau (CH Sallanches), P. Daumain (CH de Dourdan), P.H. Consigny (Institut Pasteur, Paris), Paméla Chauvin (CHU Toulouse), Pascal Delaunay (CH Universitaire de Nice), Pascal Hazera (CH Saint-Lo), Pascal Houze (Hôpital Saint Louis, Paris), Pascal Millet (CHU de Bordeaux), Pascal Pouedras (CH Bretagne Atlantique), Pascale Penn (CH Le Mans), Patrice Agnamey (CHU Amiens), Patrice Bourrée (CHU Kremlin-Bicêtre, Paris), Patricia Barbut (CH Longjumeau), Patricia Brugel (CH Antibes Juan-Les-Pins), Patricia Roux (CH Saint-Antoine, Paris), Patrick Leguen (HIA Clermont Tonnerre, Brest), Patrick Valayer (CH Notre-Dame de la Miséricorde), Pauline Caraux-Paz (CHI Villeneuve St Georges), Pauline Touroultjupin (CH Cholet), Philippe Abboud (CHU Rouen), Philippe Cormier (CH d’Evry), Philippe Minodier (CH Marseille Nord), Philippe Moskovtchenko (Hôpitaux Civils de Colmar), Philippe Parola (CH Marseille Nord), Philippe Poirier (CHRU Clermont-Ferrand), Philippe Stolidi (CH Aubagne), Pierre Patoz (CH Tourcoing), Pierre Buffet (INTS, Paris), Pierre Buffet (CHU Pitié-Salpêtrière, Paris), Pierre Flori (CH Saint-Etienne), Pierre Marty (CH Universitaire de Nice), Pierre Mornand (CH Trousseau, Paris), Pinel Claudine (CHU de Grenoble), R. Dahan (CHU de Strasbourg), R. Devallière (CH Saint-Nazaire), R. Mazataud (CH Vitry le François), Rahaf Haj Hamid (CH Louis Mourier), Regis Courtin (CHU Pitié-Salpêtrière, Paris), Renaud Blonde (CHU Robert Debré, Paris), René Nabias (CHI Poissy-st-germain), Roland Fabre (HIA Begin), Rose-Anne Lavergne (CHU Nantes), Roxane Courtois (CH Cholet), Rym Chouk Turki (CHU Henri Mondor), Rémy Durand (CH Bobigny-Avicenne), Réné Nabias (CHU Necker, Paris), Sabah Kubab (CH Corbeil Essonne), Sabine Lasserre (CH Trousseau, Paris), Samia Hamane (Hôpital Saint-Louis, Paris), Sandrine Cojean (CHU Bichat-Claude Bernard, Paris), Sandrine Houze (CHU Bichat-Claude Bernard, Paris), Sophie Matheron (CHU Bichat-Claude Bernard, Paris), Sorya Belaz (CHU Pontchaillou, Rennes), Stephane Jaureguiberry (CHU Pitié-Salpêtrière, Paris), Stephane Ranque (CH de la Timone, Marseille), Stephanie Dulucq (CHU de Bordeaux), Stéphane Bretagne (Hôpital Saint-Louis, Paris), Stéphane Pelleau (Institut Pasteur, Guyane), Stéphane Picot (Hospices Civils de Lyon), Sylvain Clauser (Hôpital Ambroise Paré), Sylviane Chevrier (CHU Pontchaillou, Rennes), Sylviane Dydymski (CHRU Clermont-Ferrand), Sylvie Lariven (CHU Bichat-Claude Bernard, Paris), Sylvie Lhopital (CH Vernon), Sylvie Maurellet Evrard (CHI Villeneuve St Georges), Sylvie Roulaud (CH Angouleme), Sébastien Larréché (HIA Begin), Thi-Hai-Chau Trinh (CHR Orléans), Thierry Ancelle (CHU Cochin, Paris), Thierry Pistone (CHU de Bordeaux), Thomas Hanslik (Hôpital Ambroise Paré), Thomas Guimard (CHD La Roche-sur-Yon), Timothée Klopfenstein (CHU Besançon, Jean Minjoz), Valerie Fuster-Dumas (CHU de Bordeaux), Veronique Blanc-Amrane (CH Antibes Juan-Les-Pins), Veronique Delcey (CHU Lariboisière, Paris), Veronique Sarrasin-Hubert (CHU Bichat-Claude Bernard, Paris), Vincent Foissaud (HIA Percy, Clamart), Virginie Mouton-Rioux (CH Bretagne Atlantique), Virginie Vitrat (CH Annecy Genevois), Véronique Jan-Lasserre (CH Lagny-sur-Marne), Xavier Nicolas (HIA Clermont Tonnerre, Brest), Y. Costa (CH Lagny-sur-Marne), Yassamine Lazrek (Institut Pasteur, Guyane), Yaye Senghor (Hôpital Saint Joseph, Paris), Yohann Le Govic (CHU Angers), Yves Guimard (CH Jacques Cœur, Bourges), Yves Poinsignon (CH Bretagne Atlantique), Claude flamand (Institut Pasteur, Guyane), C.N. guyen (CH Trousseau, Paris), G. Noël (CH Marseille Nord), G. Soula (CH Marseille Nord), J.M.Didier (CH Vesoul), M.F. Raynaud (CH Antibes Juan-Les-Pins), M. Julien (CH Béziers), M. Morillon (HIA Laveran), M.P. Carlotti (IMTSSA), P. Chantelat (CH Vesoul), P. Dussert (CH Belfort), P. Ralaimazava (CH Bobigny-Avicenne), S. Zaouche (CHU Necker, Paris), Élodie Lesteven (CHU Lariboisière, Paris)., Musset, Lise, Centre National de Référence du Paludisme [CHU Pitié-Salpétrière] (CNRpalu), and Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)

Subjects
Plasmodium, Epidemiology, FNRCm, MESH: Hospitalization, Mark and recapture, 0302 clinical medicine, MESH: Aged, 80 and over, [SDV.MHEP.MI]Life Sciences [q-bio]/Human health and pathology/Infectious diseases, MESH: Child, 030212 general & internal medicine, MESH: Incidence, MESH: Travel, Imported malaria, media_common, MESH: Aged, MESH: Middle Aged, MESH: Infant, 3. Good health, MESH: Young Adult, [SDV.MHEP.MI] Life Sciences [q-bio]/Human health and pathology/Infectious diseases, surveillance, France, Sex ratio, MESH: Medical Record Linkage, MESH: Disease Notification, 030231 tropical medicine, Notifiable disease, MESH: Malaria, capture-recapture, malaria, MESH: Population Surveillance, 03 medical and health sciences, MESH: Cross-Sectional Studies, Virology, parasitic diseases, medicine, media_common.cataloged_instance, European union, MESH: Communicable Diseases, Imported, MESH: Adolescent, MESH: Hospitals, University, MESH: Humans, business.industry, MESH: Child, Preschool, Public Health, Environmental and Occupational Health, MESH: Adult, medicine.disease, Confidence interval, MESH: Male, Metropolitan France, MESH: France, [SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie, travellers, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, business, MESH: Female, Malaria, Demography
Abstract

Introduction Malaria is a notifiable disease in all European Union and European Economic Area countries except Belgium and France, where only autochthonous malaria is notifiable. Although morbidity caused by malaria has been assessed, little is known about mortality incidence. Objective Our aim was to estimate the number of imported malaria-related deaths in hospital in metropolitan France. Methods We matched individual deaths reported between 1 January 2005 and 31 December 2014 to the French National Reference Centre for malaria (FNRCm) with malaria-related deaths from two other sources: the French National Registry on medical causes of death and the French national hospital discharge database. A capture–recapture method with log-linear modelling was used. Age, sex and place of death stratification were applied to remove heterogeneity. Results The estimated malaria-related deaths in metropolitan France during the study period were 205 (95% confidence interval (CI): 191–219). The annual mean number of malaria-related deaths was estimated at 21 (95% CI: 19–22). The FNRCm malaria-related deaths surveillance had a 38% sensitivity (95% CI: 32–44). Among 161 in-hospital individual malaria-related deaths reported from three data sources, the sex ratio (male to female) was 2.6. Median age of the patients was 57 years, ranging from 1 to 89 years. Conclusion The pertinent finding of this report is that malaria-related death records were significantly less* complete than case records. Therefore, data comparison of imported malaria morbidity and mortality between countries should imperatively be assessed using standard indicators weighted according to the completeness of health surveillance systems.

Published
2020

17. Role of Subclinical Forms in the Emergence of Vector-Borne Infections ? Contribution of Field Investigations

Author

Noël, Harold, Santé publique France - French National Public Health Agency [Saint-Maurice, France], Université Paris Saclay (COmUE), Jean-Claude Desenclos, and STAR, ABES

Subjects
[SDV.MHEP.ME] Life Sciences [q-bio]/Human health and pathology/Emerging diseases, Emerging infections, Santé publique fondée sur la preuve, [SDV.MHEP.ME]Life Sciences [q-bio]/Human health and pathology/Emerging diseases, Epidemiologic surveillance, Investigation d'épidémie, [SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie, Epidemiology, Outbreak investigation, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, Infections émergentes, Epidémiologie, Evidenced-Based public health
Abstract

Conditions recently proved favourable to transmission of emerging vector-borne diseases, chikungunya, dengue and urogenital schistosomiasis in mainland France.Santé publique France, the Agency in charge of public health surveillance in France is at the forefront of detecting and investigating emerging infectious disease in order to guide prevention and control measures. Assuming that each outbreak constitutes a situation of "natural experimentation", the aim of this thesis was to show how outbreak investigations give the opportunity to acquire rapidly scientific knowledge on the contribution of asymptomatic cases to the introduction, dissemination and endemisation of vector-borne diseases.Through a meta-analysis of per and post-epidemic seroprevalence studies,we have shown that the chikungunya virus lineage that emerged in the Indian Ocean in 2004 is associated with a lower frequency of asymptomatic infections. In a dengue serosurvey in Nîmes in 2015, we showed that the diffusion potential of dengue in France is currently limited. Screening data of urogenital bilharziasis in persons exposed in Corsica showed a high frequency of pre-symptomatic infections suggestive of a risk of endemisation of the disease that justified its inclusion on the list of notifiable diseases.This thesis work shows that a pragmatic approach based on sensitive surveillance associated with early field outbreak investigations can significantly contribute to both emerging infections control and the advancement of knowledge., Le chikungunya, la dengue et la bilharziose urogénitale sont des maladies vectorielles émergentes qui ont récemment trouvé des conditions favorables à leur transmission en France métropolitaine.Santé publique France, l’Agence en charge de la surveillance de l’état de santé de la population française est en première ligne pour détecter et investiguer ces émergences afin d’orienter les mesures de leur prévention et de leur contrôle. Postulant que chaque épidémie constitue une situation d’« expérimentation naturelle », l’objectif de cette thèse était de montrer comment chaque investigation d’épidémie apporte l’opportunité d’acquérir des connaissances scientifiques sur la contribution des cas asymptomatiques à l’introduction, la dissémination et l’endémisation des maladies vectorielles de façon réactive.Notre méta-analyse d’études de séroprévalence per- et post-épidémiques suggère que, contrairement à nos attentes, la lignée de virus chikungunya qui a émergé en 2004 dans l’Océan Indien qui était associée moins d’infections asymptomatiques que les autres. Dans une étude de la séroprévalence de la dengue à Nîmes en 2015, nous avons montré que le potentiel de diffusion de la dengue en France restait actuellement limité. Les données du dépistage des personnes exposées au risque de bilharziose urogénitale en Corse montrant une fréquence élevée d'infections pré-symptomatiques, nous avons évoqué un risque d’endémisation de la maladie qui a justifié son inscription sur la liste des maladies à déclaration obligatoire.Ce travail de thèse démontre qu’une approche pragmatique basée sur une veille sanitaire sensible associée à des investigations épidémiologiques de terrain précoces peut contribuer à aussi bien à la lutte contre les émergences qu’à l’évolution des connaissances.

Published
2019

19. Vector-borne transmission of Zika virus in Europe, southern France, August 2019

Author

Giron, Sandra, primary, Franke, Florian, additional, Decoppet, Anne, additional, Cadiou, Bernard, additional, Travaglini, Thierry, additional, Thirion, Laurence, additional, Durand, Guillaume, additional, Jeannin, Charles, additional, L’Ambert, Grégory, additional, Grard, Gilda, additional, Noël, Harold, additional, Fournet, Nelly, additional, Auzet-Caillaud, Michelle, additional, Zandotti, Christine, additional, Aboukaïs, Samer, additional, Chaud, Pascal, additional, Guedj, Saby, additional, Hamouda, Lakri, additional, Naudot, Xavier, additional, Ovize, Anne, additional, Lazarus, Clément, additional, de Valk, Henriette, additional, Paty, Marie-Claire, additional, and Leparc-Goffart, Isabelle, additional

Published
2019
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20. Dengue serosurvey after a 2-month long outbreak in Nîmes, France, 2015: was there more than met the eye?

Author

Succo, Tiphanie, primary, Noël, Harold, additional, Nikolay, Birgit, additional, Maquart, Marianne, additional, Cochet, Amandine, additional, Leparc-Goffart, Isabelle, additional, Catelinois, Olivier, additional, Salje, Henrik, additional, Pelat, Camille, additional, de Crouy-Chanel, Perrine, additional, de Valk, Henriette, additional, Cauchemez, Simon, additional, and Rousseau, Cyril, additional

Published
2018
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21. Persistence of schistosomal transmission linked to the Cavu river in southern Corsica since 2013

Author

Ramalli, Lauriane, primary, Mulero, Stephen, additional, Noël, Harold, additional, Chiappini, Jean-Dominique, additional, Vincent, Josselin, additional, Barré-Cardi, Hélène, additional, Malfait, Philippe, additional, Normand, Guillaume, additional, Busato, Florian, additional, Gendrin, Vincent, additional, Allienne, Jean-François, additional, Fillaux, Judith, additional, Boissier, Jérôme, additional, and Berry, Antoine, additional

Published
2018
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24. Preliminary report of an autochthonous chikungunya outbreak in France, July to September 2017

Author

Calba, Clémentine, primary, Guerbois-Galla, Mathilde, additional, Franke, Florian, additional, Jeannin, Charles, additional, Auzet-Caillaud, Michelle, additional, Grard, Gilda, additional, Pigaglio, Lucette, additional, Decoppet, Anne, additional, Weicherding, Joel, additional, Savaill, Marie-Christine, additional, Munoz-Riviero, Manuel, additional, Chaud, Pascal, additional, Cadiou, Bernard, additional, Ramalli, Lauriane, additional, Fournier, Pierre, additional, Noël, Harold, additional, De Lamballerie, Xavier, additional, Paty, Marie-Claire, additional, and Leparc-Goffart, Isabelle, additional

Published
2017
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25. Seroprevalence of Asian lineage chikungunya virus infection on Saint Martin Island, 7 months after the 2013 emergence

Author

Gay, Noellie, Rousset, Dominique, Huc, Patricia, Matheus, Séverine, Ledrans, Martine, Rosine, Jacques, Cassadou, Sylvie, Noël, Harold, Gay, Noellie, Rousset, Dominique, Huc, Patricia, Matheus, Séverine, Ledrans, Martine, Rosine, Jacques, Cassadou, Sylvie, and Noël, Harold

Abstract

At the end of 2013, chikungunya virus (CHIKV) emerged in Saint Martin Island, Caribbean. The Asian lineage was identified. Seven months after this introduction, the seroprevalence was 16.9% in the population of Saint Martin and 39.0% of infections remained asymptomatic. This moderate attack rate and the apparent limited size of the outbreak in Saint Martin could be explained by control measures involved to lower the exposure of the inhabitants. Other drivers such as climatic factors and population genetic factors should be explored. The substantial rate of asymptomatic infections recorded points to a potential source of infection that can both spread in new geographic areas and maintain an inconspicuous endemic circulation in the Americas.

Published
2016

29. Airport and luggage (Odyssean) malaria in Europe: a systematic review.

Author

Hallmaier-Wacker LK, van Eick MD, Briët O, Delamare H, Falkenhorst G, Houzé S, Noël H, Rebolledo J, Van Bortel W, and Gossner CM

Subjects
Humans, Europe epidemiology, Animals, Travel, COVID-19 epidemiology, SARS-CoV-2, Air Travel, Aircraft, Culicidae parasitology, Plasmodium isolation & purification, Airports, Malaria epidemiology
Abstract

BackgroundAirport and luggage (also called Odyssean) malaria are chance events where Plasmodium infection results from the bite of an infected mosquito which was transported by aircraft from a malaria-endemic area. Infrequent case reports and a lack of central data collection challenge a comprehensive overview.AimTo update the epidemiological, clinical and biological understanding of airport and luggage malaria cases in Europe.MethodsWe conducted a systematic review of studies indexed from 1969 to January 2024 in MEDLINE, Embase and OpenGrey databases. A data call to EU/EEA and UK public health institutes was launched in December 2022.ResultsOf the 145 cases (89 cases from 48 studies and 56 cases from the data call) described from nine countries, 105 were classified as airport malaria, 32 as luggage malaria and eight as either airport or luggage malaria. Most airport malaria cases were reported in France (n = 52), Belgium (n = 19) and Germany (n = 9). Half of cases resided or worked near or at an international airport (mean distance of 4.3 km, n = 28). Despite disruptions in air travel amid the COVID-19 pandemic, one third of cases reported since 2000 occurred between 2018 and 2022, with a peak in 2019.ConclusionWhile airport and luggage malaria cases are rare, reports in Europe have increased, highlighting the need for effective prevention measures and a more structured surveillance of cases in Europe. Prevention measures already in place such as aircraft disinsection should be assessed for compliance and effectiveness.

Published
2024
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30. Locally acquired malaria: a retrospective analysis of long-term surveillance data, European France, 1995 to 2022.

Author

Delamare H, Tarantola A, Thellier M, Calba C, Gaget O, Consigny PH, Simard F, Manguin S, Brottet E, Paty MC, Houze S, De Valk H, and Noël H

Subjects
Humans, Retrospective Studies, France epidemiology, Female, Incidence, Adult, Male, Middle Aged, Malaria, Falciparum epidemiology, Malaria, Falciparum diagnosis, Aged, Adolescent, Young Adult, Child, Child, Preschool, Travel, Malaria epidemiology, Malaria diagnosis, Malaria transmission, Population Surveillance, Plasmodium falciparum isolation & purification
Abstract

BackgroundIn European France, the bulk of malaria cases are travel-related, and only locally acquired cases are notifiable to assess any risk of re-emergence.AimsWe aimed to contribute to assessing the health impact of locally acquired malaria and the potential of malaria re-emergence in European France by documenting modes of transmission of locally acquired malaria, the Plasmodium species involved and their incidence trends.MethodsWe retrospectively analysed surveillance and case investigation data on locally acquired malaria from 1995 to 2022. We classified cases by most likely mode of transmission using a classification derived from the European Centre for Disease Prevention and Control. A descriptive analysis was conducted to identify spatial and temporal patterns of cases.ResultsFrom 1995 to 2022, European France reported 117 locally acquired malaria cases, mostly due to Plasmodium falciparum (88%) and reported in Île-de-France (54%), Paris Region. Cases were classified as Odyssean malaria (n = 51), induced malaria (n = 36), cryptic malaria (n = 27) and introduced malaria (n = 3). Among the 117 patients, 102 (93%) were hospitalised, 24 (22%) had severe malaria and seven (7%) died.ConclusionLocally acquired malaria remains infrequent in European France, with four reported cases per year since 1995. However, with the recent increasing trend in Odyssean malaria and climate change, the risk of re-emergence in non-endemic countries should be monitored, particularly in areas with autochthonous competent vectors. The vital risk of delayed diagnosis should make physicians consider locally acquired malaria in all patients with unexplained fever, especially when thrombocytopenia is present, even without travel history.

Published
2024
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31. Genomic analysis of Vibrio cholerae O1 isolates from cholera cases, Europe, 2022.

Author

Rouard C, Greig DR, Tauhid T, Dupke S, Njamkepo E, Amato E, van der Putten B, Naseer U, Blaschitz M, Mandilara GD, Cohen Stuart J, Indra A, Noël H, Sideroglou T, Heger F, van den Beld M, Wester AL, Quilici ML, Scholz HC, Fröding I, Jenkins C, and Weill FX

Subjects
Humans, Europe epidemiology, Whole Genome Sequencing, Microbial Sensitivity Tests, Genome, Bacterial, Genomics, Virulence genetics, Drug Resistance, Bacterial genetics, Vibrio cholerae O1 genetics, Vibrio cholerae O1 isolation & purification, Vibrio cholerae O1 classification, Cholera microbiology, Cholera epidemiology, Phylogeny, Anti-Bacterial Agents pharmacology
Abstract

BackgroundThe number of cholera cases reported to the World Health Organization (WHO) in 2022 was more than double that of 2021. Nine countries of the WHO European Region reported 51 cases of cholera in 2022 vs five reported cases in 2021.AimWe aimed to confirm that the Vibrio cholerae O1 isolates reported by WHO European Region countries in 2022 belonged to the seventh pandemic El Tor lineage (7PET). We also studied their virulence, antimicrobial resistance (AMR) determinants and phylogenetic relationships.MethodsWe used microbial genomics to study the 49 V. cholerae O1 isolates recovered from the 51 European cases. We also used > 1,450 publicly available 7PET genomes to provide a global phylogenetic context for these 49 isolates.ResultsAll 46 good-quality genomes obtained belonged to the 7PET lineage. All but two isolates belonged to genomic Wave 3 and were grouped within three sub-lineages, one of which, Pre-AFR15, predominated (34/44). This sub-lineage, corresponding to isolates from several countries in Southern Asia, the Middle East and Eastern or Southern Africa, was probably a major contributor to the global upsurge of cholera cases in 2022. No unusual AMR profiles were inferred from analysis of the AMR gene content of the 46 genomes.ConclusionReference laboratories in high-income countries should use whole genome sequencing to assign V. cholerae O1 isolates formally to the 7PET or non-epidemic lineages. Periodic collaborative genomic studies based on isolates from travellers can provide useful information on the circulating strains and their evolution, particularly as concerns AMR.

Published
2024
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32. Outbreak of Vibrio cholerae , Mayotte, France, April to July 2024.

Author

Mazzilli S, Youssouf H, Durand J, Soler M, Cholin T, Herry F, Collet L, Jean M, Ransay-Colle M, Benoit-Cattin T, Rouard C, Figoni J, Noël H, Piarroux R, and Lapostolle A

Subjects
Humans, France epidemiology, Adult, Middle Aged, Male, Adolescent, Female, Child, Aged, Drinking Water microbiology, Child, Preschool, Young Adult, Infant, Sanitation, Disease Outbreaks, Cholera epidemiology, Vibrio cholerae isolation & purification
Abstract

On 22 April 2024, a locally-acquired case of cholera was confirmed in Mayotte. Subsequently, local transmission resulted in eight outbreak clusters with 221 notified cases in densely populated neighbourhoods with limited or no access to drinking water. The last case was detected on 12 July. A case-area targeted intervention strategy was applied to contain the outbreak. However, improving access to drinking water and basic sanitation is crucial to prevent further exposure.

Published
2024
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33. A cluster of autochthonous dengue transmission in the Paris region - detection, epidemiology and control measures, France, October 2023.

Author

Fournet N, Voiry N, Rozenberg J, Bassi C, Cassonnet C, Karch A, Durand G, Grard G, Modenesi G, Lakoussan SB, Tayliam N, Zatta M, Gallien S, Noël H, Brichler S, and Tarantola A

Subjects
Humans, Animals, Paris epidemiology, France epidemiology, Europe epidemiology, Disease Outbreaks prevention & control, Dengue diagnosis, Dengue epidemiology, Dengue prevention & control, Sports, Aedes
Abstract

A cluster of three confirmed autochthonous dengue cases was detected in October 2023 in the Val-de-Marne department neighbouring Paris, France. This marks the northernmost transmission of dengue in Europe reported to date. The epidemiological and microbiological investigations and the vector control measures are described. This event confirms the need for early case detection and response to contain dengue in Europe, especially given the 2024 Summer Olympic and Paralympic Games, when millions of visitors will visit the Greater Paris area.

Published
2023
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34. Attitudes towards booster, testing and isolation, and their impact on COVID-19 response in winter 2022/2023 in France, Belgium, and Italy: a cross-sectional survey and modelling study.

Author

de Meijere G, Valdano E, Castellano C, Debin M, Kengne-Kuetche C, Turbelin C, Noël H, Weitz JS, Paolotti D, Hermans L, Hens N, and Colizza V

Abstract

Background: European countries are focusing on testing, isolation, and boosting strategies to counter the 2022/2023 winter surge due to SARS-CoV-2 Omicron subvariants. However, widespread pandemic fatigue and limited compliance potentially undermine mitigation efforts., Methods: To establish a baseline for interventions, we ran a multicountry survey to assess respondents' willingness to receive booster vaccination and comply with testing and isolation mandates. Integrating survey and estimated immunity data in a branching process epidemic spreading model, we evaluated the effectiveness and costs of current protocols in France, Belgium, and Italy to manage the winter wave., Findings: The vast majority of survey participants (N = 4594) was willing to adhere to testing (>91%) and rapid isolation (>88%) across the three countries. Pronounced differences emerged in the declared senior adherence to booster vaccination (73% in France, 94% in Belgium, 86% in Italy). Epidemic model results estimate that testing and isolation protocols would confer significant benefit in reducing transmission (17-24% reduction, from R = 1.6 to R = 1.3 in France and Belgium, to R = 1.2 in Italy) with declared adherence. Achieving a mitigating level similar to the French protocol, the Belgian protocol would require 35% fewer tests (from 1 test to 0.65 test per infected person) and avoid the long isolation periods of the Italian protocol (average of 6 days vs. 11). A cost barrier to test would significantly decrease adherence in France and Belgium, undermining protocols' effectiveness., Interpretation: Simpler mandates for isolation may increase awareness and actual compliance, reducing testing costs, without compromising mitigation. High booster vaccination uptake remains key for the control of the winter wave., Funding: The European Commission, ANRS-Maladies Infectieuses Émergentes, the Agence Nationale de la Recherche, the Chaires Blaise Pascal Program of the Île-de-France region., Competing Interests: VC declares support for this study from: 10.13039/501100001665Agence Nationale de la Recherche, ANRS–Maladies Infectieuses Émergentes. VC, DP, LH, NH declare support for this study from EU 10.13039/501100007601Horizon 2020. VC, NH, DP declare support for this study from Horizon Europe. JSW declares support for this study from the Île-de-France region. NH declares that the universities of Antwerp and Hasselt received grants from MSD, Janssen Vaccines & Prevention, Janssen Global Services, and GSK - Glaxo SmithKline outside the submitted work. JSW declares: grants from the CDC and the Rockfeller Foundation, outside the submitted work; honoraria for invited lecture from UMD, outside the submitted work; travel support to meetings on viral dynamics, outside the submitted work., (© 2023 The Authors.)

Published
2023
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35. Autochthonous dengue in mainland France, 2022: geographical extension and incidence increase.

Author

Cochet A, Calba C, Jourdain F, Grard G, Durand GA, Guinard A, Noël H, Paty MC, and Franke F

Subjects
Humans, Animals, Incidence, Geography, France epidemiology, Dengue epidemiology, Aedes
Abstract

France faced an unusual situation of dengue transmission in 2022, with 65 autochthonous cases spread over nine transmission events by 21 October. This exceeded the number of cases observed during the entire period 2010 to 2021. Six of these events occurred in departments that had never experienced autochthonous dengue transmission. We provide an update of dengue surveillance data in mainland France in 2022. The multiplication of transmission events calls for continuous adaption of preparedness and response to arbovirus-related risks.

Published
2022
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36. Mortality from malaria in France, 2005 to 2014.

Author

Kendjo E, Thellier M, Noël H, Jauréguiberry S, Septfons A, Mouri O, Gay F, Tantaoui I, Caumes E, Houzé S, and Piarroux R

Subjects
Adolescent, Adult, Aged, Aged, 80 and over, Child, Child, Preschool, Communicable Diseases, Imported epidemiology, Cross-Sectional Studies, Female, France epidemiology, Hospitalization statistics & numerical data, Humans, Incidence, Infant, Malaria epidemiology, Male, Medical Record Linkage, Middle Aged, Travel, Young Adult, Disease Notification statistics & numerical data, Hospitals, University statistics & numerical data, Malaria mortality, Population Surveillance methods
Abstract

IntroductionMalaria is a notifiable disease in all European Union and European Economic Area countries except Belgium and France, where only autochthonous malaria is notifiable. Although morbidity caused by malaria has been assessed, little is known about mortality incidence.ObjectiveOur aim was to estimate the number of imported malaria-related deaths in hospital in metropolitan France.MethodsWe matched individual deaths reported between 1 January 2005 and 31 December 2014 to the French National Reference Centre for malaria (FNRCm) with malaria-related deaths from two other sources: the French National Registry on medical causes of death and the French national hospital discharge database. A capture-recapture method with log-linear modelling was used. Age, sex and place of death stratification were applied to remove heterogeneity.ResultsThe estimated malaria-related deaths in metropolitan France during the study period were 205 (95% confidence interval (CI): 191-219). The annual mean number of malaria-related deaths was estimated at 21 (95% CI: 19-22). The FNRCm malaria-related deaths surveillance had a 38% sensitivity (95% CI: 32-44). Among 161 in-hospital individual malaria-related deaths reported from three data sources, the sex ratio (male to female) was 2.6. Median age of the patients was 57 years, ranging from 1 to 89 years.ConclusionThe pertinent finding of this report is that malaria-related death records were significantly less complete [corrected] than case records. Therefore, data comparison of imported malaria morbidity and mortality between countries should imperatively be assessed using standard indicators weighted according to the completeness of health surveillance systems.

Published
2020
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37. Zika emergence in the French Territories of America and description of first confirmed cases of Zika virus infection on Martinique, November 2015 to February 2016.

Author

Daudens-Vaysse E, Ledrans M, Gay N, Ardillon V, Cassadou S, Najioullah F, Leparc-Goffart I, Rousset D, Herrmann C, Cesaire R, Maquart M, Flusin O, Matheus S, Huc-Anaïs P, Jaubert J, Criquet-Hayot A, Hoen B, Djossou F, Locatelli-Jouans C, Blateau A, McKenzie AM, Melin M, Saint-Martin P, Dorléans F, Suivant C, Carvalho L, Petit-Sinturel M, Andrieu A, Noël H, Septfons A, Gallay A, Paty MC, Filleul L, and Cabié A

Subjects
Humans, Martinique epidemiology, RNA, Viral genetics, RNA, Viral isolation & purification, Reverse Transcriptase Polymerase Chain Reaction, Sequence Analysis, DNA, Zika Virus genetics, Zika Virus Infection transmission, Communicable Diseases, Emerging epidemiology, Disease Outbreaks, Population Surveillance, Zika Virus isolation & purification, Zika Virus Infection diagnosis, Zika Virus Infection epidemiology
Abstract

Following of the emergence of Zika virus in Brazil in 2015, an epidemiological surveillance system was quickly implemented in the French overseas Territories of America (FTA) according to previous experience with dengue and chikungunya and has detected first cases of Zika. General practitioners and medical microbiologists were invited to report all clinically suspected cases of Zika, laboratory investigations were systematically conducted (RT-PCR). On 18 December, the first autochthonous case of Zika virus infection was confirmed by RT-PCR on French Guiana and Martinique, indicating introduction of Zika virus in FTA. The viral circulation of Zika virus was then also confirmed on Guadeloupe and Saint-Martin. We report here early findings on 203 confirmed cases of Zika virus infection identified by RT-PCR or seroneutralisation on Martinique Island between 24 November 2015 and 20 January 2016. All cases were investigated. Common clinical signs were observed (maculopapular rash, arthralgia, fever, myalgia and conjunctival hyperaemia) among these patients, but the rash, the foundation of our case definition, may be absent in a significant proportion of patients (16%). These results are important for the implementation of a suspected case definition, the main tool for epidemiological surveillance, in territories that may be affected by ZIKV emergence, including Europe., (This article is copyright of The Authors, 2016.)

Published
2016
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