Importance Quebec prioritized in-person learning after the first wave of the COVID-19
pandemic, with school closures being implemented temporarily in selected schools or in hot …

SARS-CoV-2 infection rates in children and adolescents are often underestimated due to
asymptomatic or oligosymptomatic infections. Seroprevalence studies can reveal the …

Background Children infected with SARS-CoV-2 are often asymptomatic or have only mild
symptoms, leading to underestimation of disease prevalence in symptom-based testing …

Objectives To measure secondary attack rates (SARs) in prospectively followed household
contacts of paediatric and adult cases of SARS-CoV-2 infection in England. Methods Self …

Importance Few studies have prospectively assessed SARS-CoV-2 community infection in
children aged 0 to 4 years. Information about SARS-CoV-2 incidence and clinical and …

We measured serum SARS-CoV-2 antibodies in 215 children of healthcare workers to
estimate secondary attack rates. Twenty-one families had a parent with confirmed COVID …

Background and objectives Pediatric COVID-19 cases are often mild or asymptomatic, which
has complicated estimations of disease burden using existing testing practices. We aimed to …

The objective of this single-center cohort study was to characterize the frequency, clinical
characteristics, and molecular epidemiology of pediatric severe acute respiratory syndrome …

Background Children and adults have had different experiences during the COVID-19
pandemic, especially in the context of new SARS-CoV-2 variants and changing vaccine …

Aim We evaluated the prevalence of paediatric severe acute respiratory syndrome
coronavirus 2 (SARS‐CoV‐2) infections using antibody testing and characterised antibody …