The persistence of symptoms for a long time after severe acute respiratory syndrome
coronavirus 2 (SARS‑CoV‑2) infection is now familiar as post‑COVID syndrome (PCS). To …

In this nationwide retrospective study, a substantial decline in the incidence of multisystem
inflammatory syndrome in children over 3 successive pandemic waves characterized by …

Limited prospective severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) data in
children regarding the impact of Omicron variant in seropositivity have been reported. We …

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 …

This is a SARS-CoV-2 seroepidemiological study in a pediatric population (0–16 years)
during the BA. 5 Omicron predominance period in the Athens metropolitan area. Serum …

The Omicron variant is associated with increased transmissibility, but evidence about the
impact of Omicron in seropositivity of children is limited. This study aims to evaluate SARS …

Background Humoral response against SARS-CoV-2 is increasingly accepted as the central
correlate of immune protection. Recent pediatric seroprevalence data are extremely limited …

ABSTRACT BACKGROUND Pediatric COVID-19 cases are often mild or asymptomatic,
which has complicated estimations of disease burden using existing testing practices. We …

Limited prospective SARS-CoV-2 data in children regarding the impact of Omicron variant in
seropositivity have been reported. We investigated SARS-CoV-2 seropositivity in children …