During the pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2), mitigation policies for children have been a topic of considerable uncertainty and …

The COVID-19 pandemic has posed a significant threat to global health systems, with
extensive impacts across many sectors of society. The pandemic has been responsible for …

Both T cells and B cells have been shown to be generated after infection with SARS-CoV-2
yet protocols or experimental models to study one or the other are less common. Here, we …

Objective: Changes in the epidemiology of respiratory infections during the restrictions
imposed as a response to the coronavirus disease 2019 (COVID-19) pandemic have been …

Single-cell transcriptome studies have revealed immune dysfunction in COVID-19 patients,
including lymphopenia, T cell exhaustion, and increased levels of pro-inflammatory …

Human cytomegalovirus (CMV) is a widespread persistent herpes virus requiring lifelong
immune surveillance to maintain latency. Such long-term interactions with the immune …

Background During the COVID-19 epidemic, vaccination has become the most safe and
effective way to prevent severe illness and death. Inactivated vaccines are the most widely …

Background The epidemiology of childhood SARS-CoV-2 infection and COVID-19-related
illness remains little studied in high-transmission tropical settings, partly due to the less …

Background The severe form of COVID-19 can cause a dysregulated host immune
syndrome that might lead patients to death. To understand the underlying immune …

Introduction Data examining rates of postoperative complications among SARS-CoV-2
positive children are limited. The purpose of this study was to evaluate the impact of …