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After reviewing the best available scientific information, CAV-AEP publishes their new recommendations to protect pregnant women, children and adolescents living in Spain through vaccination. The same recommendations as the previous year regarding hexavalent vaccines, pneumococcal conjugate vaccine of 13 serotypes, booster with tetanus, diphtheria, pertussis and inactivated poliomyelitis (Tdpa-IPV) at 6 years and with tetanus, diphtheria and pertussis (Tdpa) at 12-14 years and pregnant women from week 27 (from week 20 if there is a high risk of preterm delivery). Also with rotavirus, tetraantigenic meningococcal B (2 + 1), meningococcal quadrivalent (MenACWY), MMR, varicella and human papillomavirus (HPV) vaccines, for both genders. As novelties this year the CAV-AEP recommends:. Influenza vaccination from 6 to 59 months of age whenever feasible and does not harm the vaccination program aimed at people at higher risk. According to official national recommendations, the CAV-AEP recommends the systematic use of COVID mRNA vaccines since 5 years old. (C) 2021 Asociacion Espanola de Pediatria. Published by Elsevier Espana, S.L.U.

Additional file 1: Table S1. List of the study hospitals and VCR of the province.

The CAV-AEP annually publishes the immunisation schedule considered optimal for all children and adolescent resident in Spain, taking into account the available evidence. The 2 + 1 schedule is recommended (2, 4, and 11 months) with hexavalent vaccines (DTPa-VPI-Hib-HB) and with 13-valent pneumococcal conjugate.A 6-year booster is recommended, preferably with DTPa (if available), with a dose of polio for those who received 2+ 1 schemes, as welt as vaccination with Tdpa in adolescents and in each pregnancy, preferably between 27 and 32 weeks. Rotavirus vaccine should be systematic for all infants. Meningococcal B vaccine, with a 2 + 1 schedule, should be included in routine calendar. In addition to the inclusion of the conjugated tetravalent meningococcal vaccine (MenACWY) at 12 years of age with catch up to 18 years, inclusive, the CAV recommends this vaccine to be also included at 12 months of age, replacing MenC. Likewise, it is recommended in those over 6 weeks of age with risk factors or who travel to countries with a high incidence of these serogroups. Two-dose schedules for triple viral (12 months and 3-4 years) and varicella (15 months and 3.4 years) will be used. The second dose could be applied as a tetraviral vaccine. Universal systematic vaccination against HPV is recommended, regardless of gender, preferably at 12 years, and greater effort should be made to improve coverage. The 9 genotype extends coverage for both genders. (C) 2020 Asociacion Espanola de Pediatria. Published by Elsevier Espana, S.L.U.

The CAV-AEP annually publishes the immunisation schedule considered optimal for all children resident in Spain, taking into account the available evidence. The 2 + 1 schedule is recommended (2, 4, and 11 months) with hexavalent vaccines (DTPa-VPI-Hib-HB) and with 13-valent pneumococcal conjugate. A 6-year booster is recommended, preferably with DTPa (if available), with a dose of polio for those who received 2 + 1 schemes, as well as vaccination with Tdpa in adolescents and in each pregnancy, preferably between 27 and 32 weeks. Rotavirus vaccine should be systematic for all infants. Meningococcal B vaccine, with a 2+1 schedule, should be included in routine calendar. In addition to the inclusion of the conjugated tetravalent meningococcal vaccine (MenACWY) at 12 years of age with catch up to 18 years, inclusive, the CAV recommends this vaccine to be also included at 12 months of age, replacing MenC. Likewise, it is recommended in those over 6 weeks of age with risk factors or who travel to countries with a high incidence of these serogroups. Two-dose schedules for MMR (12 months and 3-4 years) and varicella (15 months and 3-4 years) will be used. The second dose could be applied as a tetraviral vaccine. Universal systematic vaccination against HPV is recommended, both for girls and boys, preferably at 12 years, and greater effort should be made to improve coverage. The 9 genotype extends coverage for both genders.

The CAV-AEP annually publishes the immunisation schedule considered optimal for all children resident in Spain, taking into account the available evidence. The 2 + 1 schedule is recommended (2, 4, and 11 months) with hexavalent vaccines (DTPa-VPI-Hib-HB) and with 13-valent pneumococcal conjugate. A 6-year booster is recommended, preferably with DTPa (if available), with a dose of polio for those who received 2 + 1 schemes, as well as vaccination with Tdpa in adolescents and in each pregnancy, preferably between 27 and 32 weeks. Rotavirus vaccine should be systematic for all infants. Meningococcal B vaccine, with a 2+1 schedule, should be included in routine calendar. In addition to the inclusion of the conjugated tetravalent meningococcal vaccine (MenACWY) at 12 years of age with catch up to 18 years, inclusive, the CAV recommends this vaccine tobe also included at 12 months of age, replacing MenC. Likewise, it is recommended in those over 6 weeks of age with risk factors or who travel to countries with a high incidence of these serogroups. Two-dose schedules for MMR (12 months and 3-4 years) and varicella (15 months and 3-4years) will be used. The second dose could be applied as a tetraviral vaccine. Universal systematic vaccination against HPV is recommended, both for girls and boys, preferably at 12 years, and greater effort should be made to improve coverage. The 9 genotype extends coverage for both genders. (C) 2019 Asociacion Espanola de Pediatria. Published by Elsevier Espana, S.L.U.

EUCLIDS consortium., Non-coding genetic variants play an important role in driving susceptibility to complex diseases but their characterization remains challenging. Here, we employed a novel approach to interrogate the genetic risk of such polymorphisms in a more systematic way by targeting specific regulatory regions relevant for the phenotype studied. We applied this method to meningococcal disease susceptibility, using the DNA binding pattern of RELA – a NF-kB subunit, master regulator of the response to infection – under bacterial stimuli in nasopharyngeal epithelial cells. We designed a custom panel to cover these RELA binding sites and used it for targeted sequencing in cases and controls. Variant calling and association analysis were performed followed by validation of candidate polymorphisms by genotyping in three independent cohorts. We identified two new polymorphisms, rs4823231 and rs11913168, showing signs of association with meningococcal disease susceptibility. In addition, using our genomic data as well as publicly available resources, we found evidences for these SNPs to have potential regulatory effects on ATXN10 and LIF genes respectively. The variants and related candidate genes are relevant for infectious diseases and may have important contribution for meningococcal disease pathology. Finally, we described a novel genetic association approach that could be applied to other phenotypes., This work has been partially funded by the European Seventh Framework Programme for Research and Technological Development (FP7) under EUCLIDS Grant Agreement No. 279185. The UK meningococcal cohort was established with support from Meningitis Research Foundation through grants to Imperial College London. The Research from Newcastle partners was supported by the National Institute for Health Research Newcastle Biomedical Research Centre based at Newcastle Hospitals NHS Foundation Trust and Newcastle University. The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health. The ESIGEM Research group activities were supported by grants from Instituto de Salud Carlos III (Proyecto de Investigación en Salud, Acción Estratégica en Salud: proyecto GePEM PI16/01478) (A.S.); Consellería de Sanidade, Xunta de Galicia (RHI07/2-intensificación actividad investigadora, PS09749 and 10PXIB918184PR), Instituto de Salud Carlos III (Intensificación de la actividad investigadora 2007–2016), Convenio de colaboración de investigación (Wyeth España-Fundación IDICHUS 2007–2011), Convenio de colaboración de investigación (Novartis España-Fundación IDICHUS 2010–2011), Fondo de Investigación Sanitaria (FIS; PI070069/PI1000540) del plan nacional de I + D + I and ‘fondos FEDER’ (F.M.T.). The Swiss Pediatric Sepsis study was funded by grants from the Swiss National Science Foundation (342730_153158/1), the Swiss Society of Intensive Care, the Bangerter Foundation, the Vinetum and Borer Foundation, and the Foundation for the Health of Children and Adolescents. The Western Europe Meningococcal Study was supported by grants no 8842, 10112 and 12710 of the Oesterreichische Nationalbank (Austria), grants A3-16.K-8/2008-11 and A3-16.K-8/2006–9 of the Department for Science and Research of the Styrian federal government (Austria) and the non for profit association ‘In Vita’, Graz (Austria).

EUCLIDS consortium., Fever is the most common reason that children present to Emergency Departments. Clinical signs and symptoms suggestive of bacterial infection are often non-specific, and there is no definitive test for the accurate diagnosis of infection. The ‘omics’ approaches to identifying biomarkers from the host-response to bacterial infection are promising. In this study, lipidomic analysis was carried out with plasma samples obtained from febrile children with confirmed bacterial infection (n = 20) and confirmed viral infection (n = 20). We show for the first time that bacterial and viral infection produces distinct profile in the host lipidome. Some species of glycerophosphoinositol, sphingomyelin, lysophosphatidylcholine and cholesterol sulfate were higher in the confirmed virus infected group, while some species of fatty acids, glycerophosphocholine, glycerophosphoserine, lactosylceramide and bilirubin were lower in the confirmed virus infected group when compared with confirmed bacterial infected group. A combination of three lipids achieved an area under the receiver operating characteristic (ROC) curve of 0.911 (95% CI 0.81 to 0.98). This pilot study demonstrates the potential of metabolic biomarkers to assist clinicians in distinguishing bacterial from viral infection in febrile children, to facilitate effective clinical management and to the limit inappropriate use of antibiotics., This work was partially supported by the European Seventh Framework Programme for Research and Technological Development (FP7) under EUCLIDS Grant Agreement no. 279185. ICED: The Research was supported by the National Institute for Health Research Biomedical Research Centre based at Imperial College. This work was further supported by the Medical Research Council and National Institute for Health Research [grant number MC_PC_12025] through funding for the MRC-NIHR National Phenome Centre, infrastructure support was provided by the National Institute for Health Research (NIHR) Biomedical Research Centre (BRC) at Imperial NHS Healthcare Trust. MK acknowledges funding from the Wellcome Trust (Sir Henry Wellcome Fellowship grant 206508/Z/17/Z).

The Advisory Committee on Vaccines of the Spanish Association of Paediatrics annually publishes the immunisation schedule considered optimal for children resident in Spain, according to available evidence on current vaccines. As regards funded immunisations, the 2 + 1 strategy (2, 4, 11 months) with hexavalent (DTPa-IPV-Hib-HB) and 13-valent pneumococcal vaccines are recommended. Administration of the 6-year booster dose with DTPa is recommended, with a poliomyelitis dose for children who had received the 2 + 1 scheme, as well as Tdap vaccine for adolescents and pregnant women in every pregnancy between 27 and 32 weeks gestation. The 2-dose scheme should be used for MMR (12 months and 3-4 years) and varicella (15 months and 3-4 years). MMRV vaccine could be applied as the second dose. Vaccination against HPV is recommended in both genders, preferably at 12 years of age. A stronger effort should be made to improve vaccination coverage. The new 9-valent vaccine is now available, expanding the coverage for both genders. Tetravalent meningococcal vaccine (MenACWY) is recommended at 12 months and 12-14 years, with a catch-up up at 19 years of age. It is also recommended in infants older than 6 weeks of age with risk factors, or travellers to countries with high incidence of ACWY meningococcal serogroups. As regards non-funded immunisations, it is recommended meningococcal B vaccination, with a 2 + 1 schedule, and requests that it be included in the National Immunisation Program. Vaccination against rotavirus is recommended in all infants. (C) 2018 Asociacion Espanola de Pediatria. Published by Elsevier Espana, S.L.U.

Introduction: There are only a limited number of studies on the impact of influenza in the Spanish child population. The present work intends to increase this knowledge by studying some key aspects, such as the incidence of hospital admissions, clinic variables, comorbidities, and the vaccination status in the hospitalised children. Methods: A retrospective, observational study was conducted by reviewing the medical records of children under 15 years and hospitalised due to community acquired influenza confirmed microbiologically, during 2 ́flu seasons (2014-2015 and 2015-2016). The study was carried out in 10 hospitals of 6 cities, which represent approximately 12% of the Spanish child population. Results: A total of 907 children were admitted to hospital with main diagnosis of influenza infection (447 < 2 years), estimating an average annual rate of hospitalisation incidence of 0.51 cases / 1,000 children (95% CI; 0.48-0.55). Just under half (45%) of the cases had an underlying disease considered a risk factor for severe influenza, and most (74%) had not been vaccinated. The percentage of children with underlying diseases increased with age, from 26% in children < 6 months to 74% in children >10 years. Admission to the PICU was required in 10% (92) of the cases, mainly due to acute respiratory failure. Conclusion: Influenza continues to be an important cause of hospitalisation in the Spanish child population. Children < 6 months of age and children with underlying diseases make up the majority (> 50%) of the cases. Many of the severe forms of childhood influenza that occur today could be avoided if current vaccination guidelines were met.

There are only a limited number of studies on the impact of influenza in the Spanish child population. The present work intends to increase this knowledge by studying some key aspects, such as the incidence of hospital admissions, clinic variables, comorbidities, and the vaccination status in the hospitalised children.

The Advisory Committee on Immunization of the Spanish Association of Paediatrics issues its recommendations about vaccination against influenza virus in children and adolescents every year before the onset of the flu season. Influenza vaccination is particularly beneficial when aimed at individuals, both children and adults, who are included in the population groups considered at risk. However, for various reasons, many children and adolescents with underlying conditions and their contacts are still not given this vaccination annually. There is a need for a greater involvement of health professionals, health authorities and all social agents to inform the population, especially to the parents of children and adolescents in those risk groups, on the recommendations for seasonal influenza vaccination. In this document, current recommendations for influenza vaccination for the 2016-2017 season are presented, and reasons and limitations are explained. The recommendation for influenza vaccination is emphasized for health professionals.

Resumen: El Comité Asesor de Vacunas de la Asociación Española de Pediatría (CAV-AEP) emite todos los años sus recomendaciones sobre la vacunación frente a este virus en la infancia y la adolescencia. La vacunación de la gripe es una actuación especialmente beneficiosa cuando va dirigida a personas -niños y adultos- que se incluyen en los grupos de población considerados de riesgo. Sin embargo, muchos niños y adolescentes pertenecientes a estos grupos de riesgo, y sus convivientes, continúan sin recibir, por distintas razones, dicha vacunación anual. Asimismo, se insiste en la recomendación de la vacunación de los profesionales sanitarios. En el presente documento se presentan las recomendaciones para la vacunación antigripal en la temporada 2016-2017, y se explican los fundamentos y limitaciones de las mismas. Es necesaria una mayor implicación de los profesionales, las autoridades sanitarias y todos los agentes sociales para transmitir cada año a la población, y de forma especial a los padres de niños y adolescentes pertenecientes a los grupos de riesgo, las recomendaciones de vacunación frente a la gripe estacional.

To investigate whether it is appropriate to assume comparability of hepatitis virus C (HCV)-RNA results across laboratories in multi-centre studies, nine laboratories of the European Paediatric HCV Network participated in an international proficiency study of HCV-RNA assays. A panel of 12 samples of different dilutions and genotypes was sent to each laboratory and tested with qualitative and/or quantitative HCV-RNA assays according to local procedures. Commercial assays were used in seven laboratories and in-house assays in two. All six laboratories in which a commercial qualitative assay was used were proficient, as were four of six runs (in five laboratories) in which a commercial quantitative assay was used. The proficiency of the laboratories where in-house assays were used could not be assessed according to the VQC definition because of differences in the methods used. Overall, there were several false-negative results, but only one false-positive result with a quantitative assay and none with a qualitative assay. The false-negative results may have implications for the diagnosis of infection, and highlight the need for an antibody test to be performed at 18 months to confirm the absence of infection. The results of qualitative assays were generally consistent across laboratories but it was difficult to evaluate and compare the results of quantitative assays. Multivariate analysis of data collected in multi-centre studies should therefore allow for centre and/or assay used. © 2003 Wiley-Liss, Inc.