Safety and effectiveness of vaccines against COVID-19 in children aged 5–11 years: a systematic review and meta-analysis

V Piechotta, W Siemens, I Thielemann… - The Lancet Child & …, 2023 - thelancet.com
Background To date, more than 761 million confirmed SARS-CoV-2 infections have been
recorded globally, and more than half of all children are estimated to be seropositive …

The effect of COVID-19 vaccine to the Omicron variant in children and adolescents: a systematic review and meta-analysis

W Lu, S Zeng, Y Yao, Y Luo, T Ruan - Frontiers in Public Health, 2024 - frontiersin.org
Background Omicron (B. 1.1. 529), a variant of SARS-CoV-2, has emerged as a dominant
strain in COVID-19 pandemic. This development has raised concerns about the …

Estimates of protection levels against SARS-CoV-2 infection and severe COVID-19 in Germany before the 2022/2023 winter season: the IMMUNEBRIDGE project

B Lange, VK Jaeger, M Harries, V Rücker, H Streeck… - Infection, 2024 - Springer
Purpose Despite the need to generate valid and reliable estimates of protection levels
against SARS-CoV-2 infection and severe course of COVID-19 for the German population in …

Autoimmune thyroiditis incidence in a large population-based study in northeastern Italy

S Censi, L Salmaso, F Ceccato, F Battheu, C Clausi… - Endocrine, 2024 - Springer
Purpose An improvement in iodine status in the Veneto region (Italy) in the last decade has
been documented. Our aim was to estimate the incidence of autoimmune thyroiditis (AT) in …

Immunogenicity, effectiveness, and safety of COVID-19 vaccines among children and adolescents aged 2–18 years: an updated systematic review and meta-analysis

P Gao, LY Kang, J Liu, M Liu - World Journal of Pediatrics, 2023 - Springer
Background During the coronavirus disease 2019 (COVID-19) pandemic, there is an urgent
need for safe and effective COVID-19 vaccines to protect children and adolescents. This …

Minimising school disruption under high incidence conditions due to the Omicron variant in France, Switzerland, Italy, in January 2022

E Colosi, G Bassignana, A Barrat, B Lina… - …, 2023 - pmc.ncbi.nlm.nih.gov
Background As record cases of Omicron variant were registered in Europe in early 2022,
schools remained a vulnerable setting undergoing large disruption. Aim Through …

[HTML][HTML] Estimation of mRNA COVID-19 vaccination effectiveness in Tokyo for Omicron variants BA. 2 and BA. 5: Effect of social behavior

S Kodera, Y Niimi, EA Rashed, N Yoshinaga… - Vaccines, 2022 - mdpi.com
The variability of the COVID-19 vaccination effectiveness (VE) should be assessed with a
resolution of a few days, assuming that the VE is influenced by public behavior and social …

Pediatric SARS-CoV-2 Incidence in California by Vaccination Status, December 2021–April 2023

NM Linton, JJ Quint, J Chen, C Hoover… - Pediatrics Open …, 2025 - publications.aap.org
OBJECTIVE This study aimed to provide evidence on trends related to the effects of
coronavirus disease 2019 (COVID-19) vaccines (BNT162b2 and mRNA-1273) among …

Effectiveness of the BNT162b2 vaccine in preventing morbidity and mortality associated with COVID-19 in children aged 5 to 11 years: A systematic review and meta …

S Ebrahim, N Blose, N Gloeck, A Hohlfeld… - PLOS Global Public …, 2023 - journals.plos.org
A rapid systematic review, based on Cochrane rapid review methodology was conducted to
assess the effectiveness of two 10μg doses of BNT162b2 vaccine in preventing morbidity …

Effectiveness of BNT162b2 Vaccine Against Omicron-SARS-CoV-2 Subvariants in Children 5–11 Years of Age in Quebec, Canada, January 2022 to January 2023

H Razafimandimby, C Sauvageau… - The Pediatric …, 2024 - journals.lww.com
Background: In premarketing clinical trials conducted before Omicron emergence,
BNT162b2 vaccine efficacy against COVID-19 was 90% in children. We conducted …