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1. Retrospective observational study of the influence of the COVID-19 outbreak on infants’ hospitalisation for acute bronchiolitis

Author

Laura Berdah, Ricardo Carbajal, Romain Guedj, Mathie Lorrot, Harriet Corvol, Aurélie Schnuriger, Anne-Sophie Romain, Simon Rivière, and Marine Perrier

Subjects
Medicine
Abstract

Objectives Acute bronchiolitis is a major public health issue with high number of infants hospitalised worldwide each year. In France, hospitalisations mostly occur between October and March and peak in December. A reduction of emergency visits for bronchiolitis has been observed at onset of the COVID-19 outbreak. We aimed to assess the pandemic effects on the hospitalisations for bronchiolitis during the 2020–2021 winter (COVID-19 period) compared with three previous winters (pre-COVID-19).Design Retrospective, observational and cross-sectional study.Setting Tertiary university paediatric hospital in Paris (France).Participants All infants aged under 12 months who were hospitalised for acute bronchiolitis during the autumn/winter seasons (1 October to 31 March) from 2017 to 2021 were included. Clinical and laboratory data were collected using standardised forms.Results During the COVID-19 period was observed, a 54.3% reduction in hospitalisations for bronchiolitis associated with a delayed peak (February instead of November–December). Clinical characteristics and hospitalisation courses were substantially similar. The differences during the COVID-19 period were: smaller proportion of infants with comorbidities (8% vs 14% p=0.02), lower need for oxygen (45% vs 55%, p=0.01), higher proportions of metapneumovirus, parainfluenzae 3, bocavirus, coronavirus NL63 and OC43 (all p≤0.01) and no influenza. The three infants positive for SARS-CoV-2 were also positive for respiratory syncytial virus, suggesting that SARS-CoV-2 alone does not cause bronchiolitis, despite previous assumptions.Conclusion The dramatic reduction in infants’ hospitalisations for acute bronchiolitis is an opportunity to change our future habits such as advising the population to wear masks and apply additional hygiene measures in case of respiratory tract infections. This may change the worldwide bronchiolitis burden and improve children respiratory outcomes.

Published
2022
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2. Procalcitonin at 12–36 hours of fever for prediction of invasive bacterial infections in hospitalized febrile neonates

Author

Anne-Sophie Romain, Romain Guedj, Anais Chosidow, Nicolas Mediamolle, Aurélie Schnuriger, Sophie Vimont, Charlène Ferrandiz, Nicolas Robin, Marie-Hélène Odièvre, Emmanuel Grimprel, and Mathie Lorrot

Subjects
neonates, procalcitonin, invasive bacterial infection, fever, antibiotics, Pediatrics, RJ1-570
Abstract

AimWe aimed to investigate the performance of procalcitonin (PCT) assay between 12 and 36 h after onset of fever (PCT H12-H36) to predict invasive bacterial infection (IBI) (ie, meningitis and/or bacteremia) in febrile neonates.MethodsWe retrospectively included all febrile neonates hospitalized in the general pediatric department in a teaching hospital from January 2013 to December 2019. PCT assay ≤ 0.6 ng/ml was defined as negative. The primary outcome was to study the performance of PCT H12-H36 to predict IBI.ResultsOut of 385 included neonates, IBI was ascertainable for 357 neonates (92.7%). We found 16 IBI: 3 meningitis and 13 bacteremia. Sensitivity and specificity of PCT H12-H36 in the identification of IBI were, respectively, 100% [95% CI 82.9–100%] and 71.8% [95% CI 66.8–76.6%], with positive and negative predictive values of 14.3% [95% CI 8.4–22.2%] and 100% [95% CI 98.8–100%] respectively. Of the 259 neonates who had a PCT assay within the first 12 h of fever (< H12) and a PCT assay after H12-H36, 8 had IBI. Two of these 8 neonates had a negative < H12 PCT but a positive H12-H36 PCT.ConclusionsPCT H12-H36 did not miss any IBI whereas < H12 PCT could missed IBI diagnoses. PCT H12-H36 might be included in clinical decision rule to help physicians to stop early antibiotics in febrile neonates.

Published
2022
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3. Hyper inflammatory syndrome following COVID-19 mRNA vaccine in children: A national post-authorization pharmacovigilance study

Author

Naïm Ouldali, Haleh Bagheri, Francesco Salvo, Denise Antona, Antoine Pariente, Claire Leblanc, Martine Tebacher, Joëlle Micallef, Corinne Levy, Robert Cohen, Etienne Javouhey, Brigitte Bader-Meunier, Caroline Ovaert, Sylvain Renolleau, Veronique Hentgen, Isabelle Kone-Paut, Nina Deschamps, Loïc De Pontual, Xavier Iriart, Christelle Gras-Le Guen, François Angoulvant, Alexandre Belot, Aurelie Donzeau, Layal El Aridi, Sophie Lety, Bertrand Leboucher, Agnes Baur, Lucas Jeusset, Maelle Selegny, Cristian Fedorczuk, Marion Lajus, Philippe Bensaid, Yacine Laoudi, Charlotte Pons, Anne-Cécile Robert, Camille Beaucourt, Muriel Richard, Etienne Goisque, Olivier Brissaud, Pierre Segretin, Julie Molimard, Marie-Clothilde Orecel, Gregoire Benoit, Lucille Bongiovanni, Margaux Guerder, Robin Pouyau, Jean-Marie De Guillebon De Resnes, Ellia Mezgueldi, Fleur Cour-Andlauer, Come Horvat, Pierre Poinsot, Cecile Frachette, Antoine Ouziel, Yves Gillet, Catherine Barrey, Jacques Brouard, Florence Villedieu, Vathanaksambath Ro, Narcisse Elanga, Vincent Gajdos, Romain Basmaci, Hadile Mutar, Sébastien Rouget, Elodie Nattes, Isabelle Hau, Sandra Biscardi, Houmam El Jurdi, Camille Jung, Denis Semama, Frederic Huet, Anne-Marie Zoccarato, Mayssa Sarakbi, Guillaume Mortamet, Cécile Bost-Bru, Joachim Bassil, Caroline Vinit, Véronique Hentgen, Pascal Leroux, Valérie Bertrand, Caroline Parrod, Irina Craiu, Philippe Durand, Pierre Tissiere, Caroline Claude, Guillaume Morelle, Tamazoust Guiddir, Charlotte Borocco, Frédérique Delion, Camille Guillot, Stéphane Leteurtre, François Dubos, Mylene Jouancastay, Alain Martinot, Valentine Voeusler, Jeanne Languepin, Nathalie Garrec, Arnaud Chalvon Demersay, Aurélie Morand, Emmanuelle Bosdure, Noémie Vanel, Fabrice Ughetto, Fabrice Michel, Marie Caujolle, Renaud Blonde, Jacqueline Nguyen, Olivier Vignaud, Caroline Masserot-Lureau, François Gouraud, Carine Araujo, Tara Ingrao, Sanaa Naji, Mohammed Sehaba, Christine Roche, Aurelia Carbasse, Christophe Milesi, Mustapha Mazeghrane, Sandrine Haupt, Cyril Schweitzer, Benedicte Romefort, Elise Launay, Christèle Gras-Le Guen, Ahmed Ali, Nathalie Blot, Antoine Tran, Anne Rancurel, Mickael Afanetti, Sophie Odorico, Deborah Talmud, Anais Chosidow, Anne-Sophie Romain, Emmanuel Grimprel, Marie Pouletty, Jean Gaschignard, Olivier Corseri, Albert Faye, Isabelle Melki, Camille Ducrocq, Cherine Benzoïd, Johanna Lokmer, Stéphane Dauger, Maryline Chomton, Anna Deho, Fleur Lebourgeois, Fabrice Lesage, Florence Moulin, Laurent Dupic, Yael Pinhas, Agathe Debray, Martin Chalumeau, Véronique Abadie, Pierre Frange, Jeremie F Cohen, Slimane Allali, William Curtis, Zahra Belhadjer, Johanne Auriau, Mathilde Méot, Lucile Houyel, Damien Bonnet, Christophe Delacourt, Brigitte Bader Meunier, Pierre Quartier, Youssef Shaim, Laurence Baril, Samuel Crommelynck, Baptiste Jacquot, Philippe Blanc, Natacha Maledon, Blandine Robert, Camille Loeile, Clémence Cazau, Gauthier Loron, Simona Gaga, Cécile Vittot, Loubna El Nabhani, François Buisson, Muriel Prudent, Hugues Flodrops, Fadhila Mokraoui, Simon Escoda, Laurent Bonnemains, Sarah-Louisa Mahi, Clara Mertes, Joelle Terzic, Julie Helms, Charlotte Idier, Soraya Chenichene, Nicoleta Magdolena Ursulescu, Gladys Beaujour, Abdelhak Hakim, Alice Miquel, Agnès Rey, Arnaud Wiedermann, Anne Charbonneau, Agnès Veauvy-Juven, Alexandrine Ferry, Alexis Mandelcwajg, Alix Rousseau, Amandine Prenant, Anne-Laure Bourneuf, Anne Filleron, Audrey Robine, Arthur Félix, Aude Parizel, Aurélie Labarre, Aymeric Cantais, Barbara Ros, Basile Coulon, Blandine Biot, Bérengère Dalichoux, Benjamin Fournier, Benoit Cagnard, Blandine Vanel, David Brossier, Bruno Ménager, Bruno Ozanne, Carole Marie-Jeanne, Camille Bergerot, Camille Chavy, Camille Guidon, Candice Fabre, Caroline Galeotti, Catherine Baker, Claire Ballot-Schmit, Céline Belleau, Céline Charasse, Caroline Favel, Chadia Toumi, Charlène Ferrandiz, Charlotte Couturier, Charlotte Pouchoux, Maryline Chomton-Cailliez, Charlotte Kevorkian-Verguet, Clément Brunet, Céline Manteau, Clémence Mougey, Coline Santy, Coralie Fitament, Charlotte Petriat, Charlotte Rebelle, Cyril Charron, Maxime Dartus, David Toulorge, Cécile Guillou-Debuisson, Dorann Bartebin, Valérie Klein, E Broustal, E Desselas, Elodie Marteau, Emmanuelle Bouvrot, Elise Delacroix, Edeline Coinde, Loubna Elnabhani, Elsa Amouyal, Emilie Chaillou, Emeline Gabilly-Bernard, Emilie Ruiz, Emilie Thibault, Emilie Robin, Etienne Darrieux, Eva Blondel, Floriane Socchi, François Cazassus, Fanny Bajolle, Fatma Lacin, Fouad Madhi, Franck Zekre, François Guerin, Gerald Boussicault, Henri Ginies, Gnansounou Magloire, Guilhem Arnold, Ines Coulognon, Iona Sicard-Cras, Jean-Emmanuel Kahn, Jeanne Bordet, Jeanne-Lise Fausser, Jean-François Baleine, Josephine Brice, Julie Gendras, Kaan Pekin, Karine Norbert, Clément Karsenty, Léa Savary, Laurence Martinat, Léa Lesniewski, Lorelei Charbonnier, Louise Alexandre, Lucas Percheron, Marie Vincenti, Manon Lanzini, Margot Grisval, Marianne Mercy, Marie-Emilie Lampin, Marie Desgranges, Marie Duperril, Marie-Clothilde Orcel, Marion Audier, Marion Favier, Mathieu Carpentier, Mathilde Balcean, Mathilde Bonnet, Maurine Jouret, Marie Delattre, Michael Levy, Michael Valensi, Mickael Shum, Morgane Dumortier, Morgane Gelin, Morgane Nemmouchi, Morgane Williaume, M Sebaha, Nicoleta Genetay-Stanescu, Nathan Giroux, Nicolas Crassard, Neil Derridj, Noemie Lachaume, Oscar Werner, Olivier Guilluy, Olivier Richer, Olivier Tirel, Aurianne Pauvert, Paul Casha, Noémie Perez, Pauline Gras, Pierre-Louis Leger, Marion Pinchou, Pierre Mornand, Prisca Largo, Ramona-Christina Ibanez, Charlotte Roulland, Salam Hadah Albarazi, Said Bichali, Sarah Faton, Amandine Schott, Sébastien Walser, Severine Guillaume, Solene Vincent, Sophie Galene-Gromez, Stanislas Kozisek, Thierry Maugard, Thierry Blanc, Thierry Navarro, Thomas Lauvray, Tamas Kovacs, Valérie Launay, Véronique Despert, Victoria Lhostis, Virginie Gall, Xavier Micaelli, Yasmine Benadjaoud, Zied Matoussi, Hélène Géniaux, Anthony Facile, Tessa Pietri, Pascale Palassin, Sylvine Pinel, Laurent Chouchana, Delphine Callot, Charlène Boulay, Hôpital Robert Debré, CHU Sainte Justine [Montréal], Association Clinique et Thérapeutique Infantile du Val de Marne (ACTIV), Epidémiologie Clinique et Evaluation Economique Appliquées aux Populations Vulnérables (ECEVE (U1123 / UMR_S_1123)), Institut National de la Santé et de la Recherche Médicale (INSERM)-AP-HP Hôpital universitaire Robert-Debré [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris Cité (UPCité), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Bordeaux population health (BPH), Université de Bordeaux (UB)-Institut de Santé Publique, d'Épidémiologie et de Développement (ISPED)-Institut National de la Santé et de la Recherche Médicale (INSERM), CHU Bordeaux [Bordeaux], Santé publique France - French National Public Health Agency [Saint-Maurice, France], Les Hôptaux universitaires de Strasbourg (HUS), CHU Strasbourg, CHU Marseille, Institut de Neurosciences des Systèmes (INS), Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM), CHI Créteil, Institut Mondor de Recherche Biomédicale (IMRB), Institut National de la Santé et de la Recherche Médicale (INSERM)-IFR10-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), Hôpital Femme Mère Enfant [CHU - HCL] (HFME), Hospices Civils de Lyon (HCL), Physiopathologie de l'immunodépression associée aux réponses inflammatoires systémiques / Pathophysiology of Injury-induced Immunosuppression (PI3), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon, CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Centre de Référence pour les Maladies Rhumatologiques Auto-Immunes et Systémiques [CHU Necker] (RAISE), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Imagine - Institut des maladies génétiques (IHU) (Imagine - U1163), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Hôpital de la Timone [CHU - APHM] (TIMONE), Marseille medical genetics - Centre de génétique médicale de Marseille (MMG), Evaluation thérapeutique et pharmacologie périnatale et pédiatrique (EA_7323), Université Paris Descartes - Paris 5 (UPD5), Centre Hospitalier de Versailles André Mignot (CHV), Centre de Référence des Maladies Auto-Inflammatoires et des Amyloses [CH Versailles] (CeRéMAIA - Hôpital André Mignot), Hôpital Bicêtre, Université Paris-Saclay, CH de Saint-Malo [Broussais], Hôpital Jean Verdier [AP-HP], Institut de rythmologie et modélisation cardiaque [Pessac] (IHU Liryc), Centre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] (CRCTB), Université Bordeaux Segalen - Bordeaux 2-CHU Bordeaux [Bordeaux]-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre hospitalier universitaire de Nantes (CHU Nantes), Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité (CRESS (U1153 / UMR_A_1125 / UMR_S_1153)), Conservatoire National des Arts et Métiers [CNAM] (CNAM), HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Centre d’Investigation Clinique de Nantes (CIC Nantes), Université de Nantes (UN)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre hospitalier universitaire de Nantes (CHU Nantes), Centre de Recherche des Cordeliers (CRC (UMR_S_1138 / U1138)), École Pratique des Hautes Études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université Paris Cité (UPCité), Centre International de Recherche en Infectiologie (CIRI), École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Université Jean Monnet - Saint-Étienne (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Centre de référence des rhumatismes inflammatoires et maladies auto-immunes systémiques rares de l’enfant / National Referee Centre for Rheumatic and AutoImmune and Systemic Diseases in Children [Lyon] (RAISE), European Society for Paediatric Infectious Diseases, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris Cité (UPC), CHU Toulouse [Toulouse], Physiopathologie de l'immunodépression associée aux réponses inflammatoires systémiques - EA 7426 (PI3), Centre de Référence pour les Maladies Rhumatologiques Auto-Immunes et Systémiques [Paris] (Institut IMAGINE/RAISE), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut Imagine [Paris Necker] (2I), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPC), HESAM Université (HESAM)-HESAM Université (HESAM)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPC)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université Paris Cité (UPC), Centre International de Recherche en Infectiologie - UMR (CIRI), École normale supérieure - Lyon (ENS Lyon)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Health data- and model- driven Knowledge Acquisition (HeKA), Inria de Paris, Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)-Centre de Recherche des Cordeliers (CRC (UMR_S_1138 / U1138)), and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université Paris Cité (UPCité)-École Pratique des Hautes Études (EPHE)

Subjects
Oncology, [SDV]Life Sciences [q-bio], Health Policy, Multisystem inflammatory syndrome in children, Internal Medicine, COVID-19 mRNA vaccine, BNT162b2, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, SARS-COV-2, Hyper-inflammatory syndrome, Child
Abstract

International audience; BACKGROUND: Multisystem inflammatory syndrome in children (MIS-C) is the most severe clinical entity associated with pediatric SARS-CoV-2 infection with a putative role of the spike protein into the immune system activation. Whether COVID-19 mRNA vaccine can induce this complication in children is unknown. We aimed to assess the risk of hyper-inflammatory syndrome following COVID-19 mRNA vaccine in children. METHODS: We conducted a post-authorization national population-based surveillance using the French enhanced pharmacovigilance surveillance system for COVID-19 vaccines. All cases of suspected hyper-inflammatory syndrome following COVID-19 mRNA vaccine in 12-17-year-old children between June 15(th), 2021 and January 1(st), 2022, were reported. Cases were reviewed according to WHO criteria for MIS-C. The reporting rate of this syndrome was compared to the MIS-C rate per 1,000,000 12-17-year-old children infected by SARS-CoV-2. FINDINGS: Up to January 2022, 8,113,058 COVID-19 mRNA vaccine doses were administered to 4,079,234 12-17-year-old children. Among them, 12 presented a hyper-inflammatory syndrome with multisystemic involvement. Main clinical features included male predominance (10/12, 83%), cardiac involvement (10/12, 83%), digestive symptoms (10/12, 83%), coagulopathy (7/12, 58%), cytolytic hepatitis (6/12, 50%), and shock (5/12, 42%). 4/12 (33%) required intensive care unit transfer, and 3/12 (25%) hemodynamic support. All cases recovered. In eight cases, no evidence of previous SARS-CoV-2 infection was found. The reporting rate was 1.5 (95%CI [0.8; 2.6]) per 1,000,000 doses injected, i.e. 2.9 (95%CI [1.5; 5.1]) per 1,000,000 12-17-year-old vaccinated children. As a comparison, 113 MIS-C (95%CI [95; 135]) occurred per 1,000,000 12-17-year-old children infected by SARS-CoV-2. INTERPRETATION: Very few cases of hyper-inflammatory syndrome with multi-organ involvement occurred following COVID-19 mRNA vaccine in 12-17-year-old children. The low reporting rate of this syndrome, compared to the rate of post-SARS-CoV-2 MIS-C in the same age-group, largely supports the vaccination in a context of an important circulation of SARS-CoV-2. FUNDING: ESPID Fellowship Award; Grandir-Fonds de Solidarité Pour L'enfance.

Published
2022

4. SARS-CoV-2 transmission among children and staff in daycare centres during a nationwide lockdown in France: a cross-sectional, multicentre, seroprevalence study

Author

Didier Pinquier, Romain Basmaci, Robert M. Cohen, E. Lachassinne, Vincent Gajdos, Anne-Sophie Romain, Aurélie Naud, Ségolène Brichler, Xavier Vuillaume, Oscar Lescano, Loïc de Pontual, Coralie Bloch-Queyrat, Camille Aupiais, Carole Guilluy, Gaelle Pinto Cardoso, Elisabeth Hausherr, Bahia Rabehi, Véronique Hentgen, François Vié le Sage, M.-A. Dommergues, Mathie Lorrot, Lorelei Charbonnier, Camille Jung, Anais Chosidow, Nathalie Mestre, Jean-Ralph Zahar, Roselyne Masson, Evelyne Wannepain, Marion Caseris, Pierre-Yves Boëlle, Hôpital Jean Verdier [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Service de Pédiatrie, Hopital Robert Debré (APHP), Université Paris Diderot - Paris 7 (UPD7), Hôpital Armand Trousseau [AP-HP] (AP-HP), Service de Pédiatrie-Urgences [Hopital Louis Mourier - APHP, Colombes], Hopital Louis Mourier - AP-HP [Colombes], Centre Hospitalier Annecy-Genevois [Saint-Julien-en-Genevois], Centre Hospitalier de Versailles André Mignot (CHV), CHU Rouen, Normandie Université (NU), Protection maternelle et infantile [Seine-Saint-Denis, Bobigny], Santé de la femme enceinte et de l'enfant [Paris] (PMI), Ville de Paris, Centre de Ressource Biologique [CHI Créteil] (Centre de Recherche Clinique), Centre Hospitalier Intercommunal de Créteil (CHIC), AP-HP - Hôpital Antoine Béclère [Clamart], Association Clinique et Thérapeutique Infantile du Val de Marne (ACTIV), Service de Microbiologie Clinique [Hôpital Avicenne - APHP], Hôpital Avicenne [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Institut Pierre Louis d'Epidémiologie et de Santé Publique (iPLESP), Sorbonne Université (SU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Laboratory of molecular mechanisms of hematologic disorders and therapeutic implications (ERL 8254 - Equipe Inserm U1163), Imagine - Institut des maladies génétiques (IHU) (Imagine - U1163), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Centre de Recherche des Cordeliers (CRC (UMR_S_1138 / U1138)), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université de Paris (UP), COVIDOCRECHE collaborators: Lorelei Charbonnier, Anais Chosidow, Véronique Hentgen, Oscar Lescano, Nathalie Mestre, Gaelle Pinto Cardoso, Roselyne Masson, Bahia Rabehi, Anne-Sophie Romain, François Vié le Sage, Xavier Vuillaume, Comets, Emmanuelle, CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Hôpital Louis Mourier - AP-HP [Colombes], Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université Paris Cité (UPCité), and Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP)

Subjects
Adult, medicine.medical_specialty, Coronavirus disease 2019 (COVID-19), Cross-sectional study, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), Antibodies, Viral, Serology, law.invention, 03 medical and health sciences, 0302 clinical medicine, Seroepidemiologic Studies, law, 030225 pediatrics, Epidemiology, Developmental and Educational Psychology, Humans, Medicine, Seroprevalence, Pediatrics, Perinatology, and Child Health, 030212 general & internal medicine, Immunoassay, [SDV.BIBS] Life Sciences [q-bio]/Quantitative Methods [q-bio.QM], SARS-CoV-2, business.industry, COVID-19, Infant, Child Day Care Centers, [SDV.BIBS]Life Sciences [q-bio]/Quantitative Methods [q-bio.QM], 3. Good health, Cross-Sectional Studies, Transmission (mechanics), Immunoglobulin M, Child, Preschool, Immunoglobulin G, Relative risk, Pediatrics, Perinatology and Child Health, France, business, Demography
Abstract

Summary Background The extent to which very young children contribute to the transmission of SARS-CoV-2 is unclear. We aimed to estimate the seroprevalence of antibodies against SARS-CoV-2 in daycare centres that remained open for key workers' children during a nationwide lockdown in France. Methods Children and staff who attended one of 22 daycare centres during a nationwide lockdown in France (between March 15 and May 9, 2020) were included in this cross-sectional, multicentre, seroprevalence study. Hospital staff not occupationally exposed to patients with COVID-19, or to children, were enrolled in a comparator group. The primary outcome was SARS-CoV-2 seroprevalence in children, daycare centre staff, and the comparator group. The presence of antibodies against SARS-CoV-2 in capillary whole blood was measured with a rapid chromatographic immunoassay. We computed raw prevalence as the percentage of individuals with a positive IgG or IgM test, and used Bayesian smoothing to account for imperfect sensitivity and specificity of the assay. This study is registered with ClinicalTrials.gov, NCT04413968. Findings Between June 4 and July 3, 2020, we enrolled 327 children (mean age 1·9 [SD 0·9] years; range 5 months to 4·4 years), 197 daycare centre staff (mean age 40 [12] years), and 164 adults in the comparator group (42 [12] years). Positive serological tests were observed for 14 children (raw seroprevalence 4·3%; 95% CI 2·6–7·1) and 14 daycare centre staff (7·7%; 4·2–11·6). After accounting for imperfect sensitivity and specificity of the assay, we estimated that 3·7% (95% credible interval [95% CrI] 1·3–6·8) of the children and 6·8% (3·2–11·5) of daycare centre staff had SARS-CoV-2 infection. The comparator group fared similarly to the daycare centre staff; nine participants had a positive serological test (raw seroprevalence 5·5%; 95% CI 2·9–10·1), leading to a seroprevalence of 5·0% (95% CrI 1·6–9·8) after accounting for assay characteristics. An exploratory analysis suggested that seropositive children were more likely than seronegative children to have been exposed to an adult household member with laboratory-confirmed COVID-19 (six [43%] of 14 vs 19 [6%] of 307; relative risk 7·1 [95% CI 2·2–22·4]). Interpretation According to serological test results, the proportion of young children in our sample with SARS-CoV-2 infection was low. Intrafamily transmission seemed more plausible than transmission within daycare centres. Further epidemiological studies are needed to confirm this exploratory hypothesis. Funding Assistance Publique—Hopitaux de Paris; Mairie de Paris, Conseil Departemental de Seine Saint Denis. Translations For the French translation of the abstract see Supplementary Materials section.

Published
2021

5. Correction to 'Hyper inflammatory syndrome following COVID-19 mRNA vaccine in children: A national post-authorization pharmacovigilance study'

Author

Naïm Ouldali, Haleh Bagheri, Francesco Salvo, Denise Antona, Antoine Pariente, Claire Leblanc, Martine Tebacher, Joëlle Micallef, Corinne Levy, Robert Cohen, Etienne Javouhey, Brigitte Bader-Meunier, Caroline Ovaert, Sylvain Renolleau, Veronique Hentgen, Isabelle Kone-Paut, Nina Deschamps, Loïc De Pontual, Xavier Iriart, Christelle Gras-Le Guen, Francois Angoulvant, Alexandre Belot, Aurelie Donzeau, Layal El Aridi, Sophie Lety, Bertrand Leboucher, Agnes Baur, Lucas Jeusset, Maelle Selegny, Cristian Fedorczuk, Marion Lajus, Philippe Bensaid, Yacine Laoudi, Charlotte Pons, Anne-Cécile Robert, Camille Beaucourt, Muriel Richard, Etienne Goisque, Olivier Brissaud, Pierre Segretin, Julie Molimard, Marie-Clothilde Orecel, Gregoire Benoit, Lucille Bongiovanni, Margaux Guerder, Robin Pouyau, Jean-Marie De Guillebon De Resnes, Ellia Mezgueldi, Fleur Cour-Andlauer, Come Horvat, Pierre Poinsot, Cecile Frachette, Antoine Ouziel, Yves Gillet, Catherine Barrey, Jacques Brouard, Florence Villedieu, Vathanaksambath Ro, Narcisse Elanga, Vincent Gajdos, Romain Basmaci, Hadile Mutar, Sébastien Rouget, Elodie Nattes, Isabelle Hau, Sandra Biscardi, Houmam El Jurdi, Camille Jung, Denis Semama, Frederic Huet, Anne-Marie Zoccarato, Mayssa Sarakbi, Guillaume Mortamet, Cécile Bost-Bru, Joachim Bassil, Caroline Vinit, Véronique Hentgen, Pascal Leroux, Valérie Bertrand, Caroline Parrod, Irina Craiu, Philippe Durand, Pierre Tissiere, Caroline Claude, Guillaume Morelle, Tamazoust Guiddir, Charlotte Borocco, Frédérique Delion, Camille Guillot, Stéphane Leteurtre, François Dubos, Mylene Jouancastay, Alain Martinot, Valentine Voeusler, Jeanne Languepin, Nathalie Garrec, Arnaud Chalvon Demersay, Aurélie Morand, Emmanuelle Bosdure, Noémie Vanel, Fabrice Ughetto, Fabrice Michel, Marie Caujolle, Renaud Blonde, Jacqueline Nguyen, Olivier Vignaud, Caroline Masserot-Lureau, François Gouraud, Carine Araujo, Tara Ingrao, Sanaa Naji, Mohammed Sehaba, Christine Roche, Aurelia Carbasse, Christophe Milesi, Mustapha Mazeghrane, Sandrine Haupt, Cyril Schweitzer, Benedicte Romefort, Elise Launay, Christèle Gras-Le Guen, Ahmed Ali, Nathalie Blot, Antoine Tran, Anne Rancurel, Mickael Afanetti, Sophie Odorico, Deborah Talmud, Anais Chosidow, Anne-Sophie Romain, Emmanuel Grimprel, Marie Pouletty, Jean Gaschignard, Olivier Corseri, Albert Faye, Isabelle Melki, Camille Ducrocq, Cherine Benzoïd, Johanna Lokmer, Stéphane Dauger, Maryline Chomton, Anna Deho, Fleur Lebourgeois, Fabrice Lesage, Florence Moulin, Laurent Dupic, Yael Pinhas, Agathe Debray, Martin Chalumeau, Véronique Abadie, Pierre Frange, Jeremie F Cohen, Slimane Allali, William Curtis, Zahra Belhadjer, Johanne Auriau, Mathilde Méot, Lucile Houyel, Damien Bonnet, Christophe Delacourt, Brigitte Bader Meunier, Pierre Quartier, Youssef Shaim, Laurence Baril, Samuel Crommelynck, Baptiste Jacquot, Philippe Blanc, Natacha Maledon, Blandine Robert, Camille Loeile, Clémence Cazau, Gauthier Loron, Simona Gaga, Cécile Vittot, Loubna El Nabhani, François Buisson, Muriel Prudent, Hugues Flodrops, Fadhila Mokraoui, Simon Escoda, Laurent Bonnemains, Sarah-Louisa Mahi, Clara Mertes, Joelle Terzic, Julie Helms, Charlotte Idier, Soraya Chenichene, Nicoleta Magdolena Ursulescu, Gladys Beaujour, Abdelhak Hakim, Alice Miquel, Agnès Rey, Arnaud Wiedermann, Anne Charbonneau, Agnès Veauvy-Juven, Alexandrine Ferry, Alexis Mandelcwajg, Alix Rousseau, Amandine Prenant, Anne-Laure Bourneuf, Anne Filleron, Audrey Robine, Arthur Félix, Aude Parizel, Aurélie Labarre, Aymeric Cantais, Barbara Ros, Basile Coulon, Blandine Biot, Bérengère Dalichoux, Benjamin Fournier, Benoit Cagnard, Blandine Vanel, David Brossier, Bruno Ménager, Bruno Ozanne, Carole Marie-Jeanne, Camille Bergerot, Camille Chavy, Camille Guidon, Candice Fabre, Caroline Galeotti, Catherine Baker, Claire Ballot-Schmit, Céline Belleau, Céline Charasse, Caroline Favel, Chadia Toumi, Charlène Ferrandiz, Charlotte Couturier, Charlotte Pouchoux, Maryline Chomton-Cailliez, Charlotte Kevorkian-Verguet, Clément Brunet, Céline Manteau, Clémence Mougey, Coline Santy, Coralie Fitament, Charlotte Petriat, Charlotte Rebelle, Cyril Charron, Maxime Dartus, David Toulorge, Cécile Guillou-Debuisson, Dorann Bartebin, Valérie Klein, E Broustal, E. Desselas, Elodie Marteau, Emmanuelle Bouvrot, Elise Delacroix, Edeline Coinde, Loubna Elnabhani, Elsa Amouyal, Emilie Chaillou, Emeline Gabilly-Bernard, Emilie Ruiz, Emilie Thibault, Emilie Robin, Etienne Darrieux, Eva Blondel, Floriane Socchi, François Cazassus, Fanny Bajolle, Fatma Lacin, Fouad Madhi, Franck Zekre, François Guerin, Gerald Boussicault, Henri Ginies, Gnansounou Magloire, Guilhem Arnold, Ines Coulognon, Iona Sicard-Cras, Jean-Emmanuel Kahn, Jeanne Bordet, Jeanne-Lise Fausser, Jean-François Baleine, Josephine Brice, Julie Gendras, Kaan Pekin, Karine Norbert, Clément Karsenty, Léa Savary, Laurence Martinat, Léa Lesniewski, Lorelei Charbonnier, Louise Alexandre, Lucas Percheron, Marie Vincenti, Manon Lanzini, Margot Grisval, Marianne Mercy, Marie-Emilie Lampin, Marie Desgranges, Marie Duperril, Marie-Clothilde Orcel, Marion Audier, Marion Favier, Mathieu Carpentier, Mathilde Balcean, Mathilde Bonnet, Maurine Jouret, Marie Delattre, Michael Levy, Michael Valensi, Mickael Shum, Morgane Dumortier, Morgane Gelin, Morgane Nemmouchi, Morgane Williaume, M. Sebaha, Nicoleta Genetay-Stanescu, Nathan Giroux, Nicolas Crassard, Neil Derridj, Noemie Lachaume, Oscar Werner, Olivier Guilluy, Olivier Richer, Olivier Tirel, Aurianne Pauvert, Paul Casha, Noémie Perez, Pauline Gras, Pierre-Louis Leger, Marion Pinchou, Pierre Mornand, Prisca Largo, Ramona-Christina Ibanez, Charlotte Roulland, Salam Hadah Albarazi, Said Bichali, Sarah Faton, Amandine Schott, Sébastien Walser, Severine Guillaume, Solene Vincent, Sophie Galene-Gromez, Stanislas Kozisek, Thierry Maugard, Thierry Blanc, Thierry Navarro, Thomas Lauvray, Tamas Kovacs, Valérie Launay, Véronique Despert, Victoria Lhostis, Virginie Gall, Xavier Micaelli, Yasmine Benadjaoud, Zied Matoussi, Hélène Géniaux, Anthony Facile, Tessa Pietri, Pascale Palassin, Sylvine Pinel, Laurent Chouchana, Delphine Callot, and Charlène Boulay

Subjects
Oncology, Health Policy, Internal Medicine
Published
2022

6. Factors Associated With Severe SARS-CoV-2 Infection

Author

Fouad Madhi, Robert Cohen, Alexandre Belot, Mayssa Sarakbi, Sébastien Rouget, Camille Jung, Mathie Lorrot, Manon Passard, Irina Craiu, Naim Ouldali, Tamazoust Guiddir, Alain Martinot, Sarah Ducrocq, Nathalie Garrec, David D. Yang, Michael Levy, Arnaud Wiedemann, Nevena Danekova, H. Haas, Jean Gaschignard, Camille Aupiais, Julie Toubiana, François Angoulvant, Philippe Minodier, Vincent Gajdos, Stéphane Béchet, Olivier Vignaud, Cyril Schweitzer, Loïc de Pontual, Elisabeth Caron, Anne-Sophie Romain, Aurélie Garraffo, L. Dupic, Imen Jhaouat, and Corinne Levy

Subjects
Male, Pediatrics, medicine.medical_specialty, 2019-20 coronavirus outbreak, Coronavirus disease 2019 (COVID-19), Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), Severe disease, Severity of Illness Index, Risk Factors, Lower respiratory tract infection, medicine, Humans, Prospective Studies, Child, SARS-CoV-2, business.industry, Hemodynamics, COVID-19, Infant, medicine.disease, Respiration, Artificial, Systemic Inflammatory Response Syndrome, Independent factor, Young age, Child, Preschool, Pediatrics, Perinatology and Child Health, Female, business
Abstract

BACKGROUND: Initial reports on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections in children suggested that very young age and comorbidities may increase risk of severe evolution, but these findings remained to be confirmed. We aimed to analyze the clinical spectrum of hospitalized pediatric SARS-CoV-2 infection and predictors of severe disease evolution. METHODS: We conducted a French national prospective surveillance of children hospitalized with SARS-CoV-2 infection. We included all children with confirmed SARS-CoV-2 infection in 60 hospitals during February 15 to June 1, 2020. The main outcome was the proportion of children with severe disease, defined by hemodynamic or ventilatory (invasive or not) support requirement. RESULTS: We included 397 hospitalized children with SARS-CoV-2 infection. We identified several clinical patterns, ranging from paucisymptomatic children, admitted for surveillance, to lower respiratory tract infection or multisystem inflammatory syndrome in children. Children CONCLUSIONS: In contrast with preliminary reports, young age was not an independent factor associated with severe SARS-CoV-2 infection, and children

Published
2021

7. Multisystem inflammatory syndrome in children rose and fell with the first wave of the COVID-19 pandemic in France

Author

Eléonore Blondiaux, Thibault Lecarpentier, Simon Riviere, Pierre-Louis Leger, Ricardo Carbajal, Solène Loschi, Romain Guedj, Anne-Sophie Romain, Yael Levy, Emmanuel Grimprel, Sébastien Héritier, Aurélie Schnuriger, Julia Guilbert, Pauline Parisot, Mathie Lorrot, Judith Faivre, Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité (CRESS (U1153 / UMR_A_1125 / UMR_S_1153)), Conservatoire National des Arts et Métiers [CNAM] (CNAM)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Sorbonne Université - Faculté de Médecine (SU FM), Sorbonne Université (SU), Conservatoire National des Arts et Métiers [CNAM] (CNAM), HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-Université Sorbonne Paris Cité (USPC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), and Gestionnaire, Hal Sorbonne Université

Subjects
Male, 2019-20 coronavirus outbreak, Abdominal pain, Pediatrics, medicine.medical_specialty, Coronavirus disease 2019 (COVID-19), Adolescent, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), [SDV]Life Sciences [q-bio], Mucocutaneous Lymph Node Syndrome, Hospitals, University, 03 medical and health sciences, Paediatric intensive care unit, 0302 clinical medicine, 030225 pediatrics, Pandemic, Medicine, Humans, 030212 general & internal medicine, Pediatrics, Perinatology, and Child Health, Child, PIMS, Retrospective Studies, multisystem inflammatory syndrome, Kawasaki disease, business.industry, pandemic, COVID-19, Infant, General Medicine, University hospital, medicine.disease, Hospitals, Pediatric, Systemic Inflammatory Response Syndrome, 3. Good health, [SDV] Life Sciences [q-bio], Hospitalization, Editorial, Child, Preschool, Pediatrics, Perinatology and Child Health, Female, France, medicine.symptom, business
Abstract

International audience; Aim: This study determined the influence of the COVID-19 pandemic on the occurrence of multisystem inflammatory syndrome in children (MIS-C) and compared the main characteristics of MIS-C and Kawasaki disease (KD).Methods: We included patients aged up to 18 years of age who were diagnosed with MIS-C or KD in a paediatric university hospital in Paris from 1 January 2018 to 15 July 2020. Clinical, laboratory and imaging characteristics were compared, and new French COVID-19 cases were correlated with MIS-C cases in our hospital.Results: There were seven children with MIS-C, from 6 months to 12 years of age, who were all positive for the virus that causes COVID-19, and 40 virus-negative children with KD. Their respective characteristics were as follows: under 5 years of age (14.3% vs. 85.0%), paediatric intensive care unit admission (100% vs. 10.0%), abdominal pain (71.4% vs. 12.5%), myocardial dysfunction (85.7% vs. 5.0%), shock syndrome (85.7% vs. 2.5%) and mean and standard deviation C-reactive protein (339 ± 131 vs. 153 ± 87). There was a strong lagged correlation between the rise and fall in MIS-C patients and COVID-19 cases.Conclusion: The rise and fall of COVID-19 first wave mirrored the MIS-C cases. There were important differences between MIS-C and KD.

Published
2020

8. Changes in RT-PCR-positive SARS-CoV-2 rates in adults and children according to the epidemic stages

Author

Alain Martinot, Anne Sophie Romain, Philippe Bensaid, Frédéric Huet, Corinne Levy, Nicoletta Magdalena Ursulescu, Muriel Lalande, Véronique Hentgen, Romain Basmaci, Stéphane Béchet, Edeline Coinde, Cecile Bost bru, Cecile Fournial, Robert M. Cohen, H. Haas, Charlotte Pons, Julie Toubiana, Emmanuelle Dessioux, Jean Gashignard, François Vié le Sage, and Josette Raymond

Subjects
Pediatrics, medicine.medical_specialty, Real-time polymerase chain reaction, Multicenter study, Coronavirus disease 2019 (COVID-19), business.industry, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), medicine, Positive test, business
Abstract

Aim To describe the trends of RT-PCR positive SARS-CoV-2 rates in children and adults according to the time of COVID-19 epidemic. Methods In this prospective multicenter study involving 45 pediatric units, we collected the results of nasopharyngeal swabs in France from March 2, 2020 to April 26, 2020. Results During the study period, 52,588 RT-PCR tests for SARS-CoV-2 were performed, 6,490 in children and 46,098 in adults. The rate of positive tests for children was 2- to 7-fold less than that for adults. These rates varied according to the time of the epidemic and were higher at the peak. The lower rates of positive test in children persisted during the surveillance period but varied according to the time in the epidemic. Conclusion The rate of positive RT-PCR positive SARS-CoV-2 tests for children was always less than that for adults but vary according to the epidemic stage. What is already known on this topic? -The number of confirmed pediatric SARS-CoV-2 infection is relatively low. -The rate of RT-PCR–positive SARS-CoV-2 was significantly lower for children than adults. What this study adds? -The SARS-CoV-2–positive rate for children was about 2- to 7-fold less than that for adults during the surveillance period. -The difference in rates between children and adults persisted during the surveillance period but varied according to the time in the epidemic, the rate of positivity and the region.

Published
2020

9. Dramatic improvement after tocilizumab of severe COVID ‐19 in a child with sickle cell disease and acute chest syndrome

Author

Marie-Hélène Odièvre, Nadia Nathan, Hubert Ducou Le Pointe, Jenny Youn, Slimane Allali, Jessica Taytard, Anne Sophie Romain, Charles de Marcellus, and Harriet Corvol

Subjects
2019-20 coronavirus outbreak, Coronavirus disease 2019 (COVID-19), biology, business.industry, Cell, Disease, Hematology, medicine.disease, biology.organism_classification, Virology, Acute chest syndrome, chemistry.chemical_compound, medicine.anatomical_structure, Tocilizumab, chemistry, Pandemic, medicine, business, Betacoronavirus
Published
2020
Full Text
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10. CHANGES IN REVERSE TRANSCRIPTION POLYMERASE CHAIN REACTION–POSITIVE SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS 2 RATES IN ADULTS AND CHILDREN ACCORDING TO THE EPIDEMIC STAGES

Author

H. Haas, Nicoleta Ursulescu, Corinne Levy, Stéphane Béchet, François Vié le Sage, Philippe Bensaid, Cecile Bost bru, Cecile Fournial, Anne Sophie Romain, Muriel Lalande, Josette Raymond, Robert M. Cohen, Emmanuelle Dessioux, Véronique Hentgen, Jean Gashignard, Edeline Coinde, Alain Martinot, Charlotte Pons, Julie Toubiana, Romain Basmaci, Frédéric Huet, Comets, Emmanuelle, Groupe de Pathologie Infectieuse Pédiatrique [Paris] (GPIP), Société Française de Pédiatrie (SFP), Groupe d'Etude des Maladies Infectieuses Néonatales et Infantiles (GEMINI), Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-MRB-GRC, Centre de Recherche Clinique [Créteil] (CRC), Centre Hospitalier Intercommunal de Créteil (CHIC), Service de Pédiatrie-Urgences [Hopital Louis Mourier - APHP, Colombes], Hôpital Louis Mourier - AP-HP [Colombes], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Centre Hospitalier Victor Dupouy, Centre Hospitalier Général Néonatologie Ajaccio, Hôpitaux du Pays du Mont-Blanc, Centre hospitalier universitaire de Nantes (CHU Nantes), Service de pédiatrie (CHU de Dijon), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Département Pédiatrie [CHRU Montpellier], Pôle Femme Mère Enfant [CHRU Montpellier], Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)-Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Service de Neuro-pédiatrie[Lille], Hôpital Jeanne de Flandre [Lille]-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Centre Hospitalier Henri Duffaut (Avignon), Hôpital Nord Franche-Comté [Hôpital de Trévenans] (HNFC), and Association Clinique et Thérapeutique Infantile du Val de Marne (ACTIV)

Subjects
Adult, Microbiology (medical), 2019-20 coronavirus outbreak, Pediatrics, medicine.medical_specialty, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), Pneumonia, Viral, reverse transcription polymerase chain reaction, Betacoronavirus, 03 medical and health sciences, COVID-19 Testing, 0302 clinical medicine, children, 030225 pediatrics, adults, Humans, Medicine, 030212 general & internal medicine, Pediatrics, Perinatology, and Child Health, Child, Pandemics, [SDV.BIBS] Life Sciences [q-bio]/Quantitative Methods [q-bio.QM], biology, Clinical Laboratory Techniques, Reverse Transcriptase Polymerase Chain Reaction, SARS-CoV-2, business.industry, Age Factors, COVID-19, biology.organism_classification, medicine.disease, [SDV.BIBS]Life Sciences [q-bio]/Quantitative Methods [q-bio.QM], Confidence interval, 3. Good health, Reverse transcription polymerase chain reaction, Pneumonia, Real-time polymerase chain reaction, Infectious Diseases, Relative risk, Pediatrics, Perinatology and Child Health, France, Coronavirus Infections, business, severe acute respiratory syndrome coronavirus 2
Abstract

International audience; From March 2, 2020, to April 26, 2020, 52,588 reverse transcription polymerase chain reaction (RT-PCR) tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) were performed in France, 6490 in children and 46,098 in adults. The rate of RT-PCR-positive SARS-CoV-2 tests for children (5.9%) was always less than that for adults (20.3%) but vary according to the epidemic stage. The risk ratio of RT-PCR-positive SARS-CoV-2 tests for adults compared with children was 3.5 (95% confidence interval: 3.2-3.9) for the whole study period.

Published
2020

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