SARS-CoV-2 infection is benign in most individuals but, in around 10% of cases, it triggers
hypoxaemic COVID-19 pneumonia, which leads to critical illness in around 3% of cases …

Children and adolescents exhibit a broad range of clinical outcomes from SARS-CoV-2
infection, with the majority having minimal to mild symptoms. Additionally, some succumb to …

The pandemic of coronavirus disease 2019 (COVID‐19), caused by the severe acute
respiratory syndrome coronavirus 2 (SARS‐CoV‐2), has caused an unprecedented global …

Lasting immunity following SARS-CoV-2 infection is questioned because serum antibodies
decline in convalescence. However, functional immunity is mediated by long-lived memory T …

SARS-CoV-2 infections mostly lead to mild or even asymptomatic infections in children, but
the reasons for this are not fully understood. More efficient local tissue responses, better …

Background As of November 2020, severe acute respiratory syndrome coronavirus 2 has
resulted in 55 million infections worldwide and more than 1.3 million deaths from …

Background In mid-December 2020, Israel started a nationwide mass vaccination campaign
against coronavirus disease 2019 (COVID-19). In the first few weeks, medical personnel …

Importance Patients who are immunocompromised have increased risk for morbidity and
mortality associated with coronavirus disease 2019 (COVID-19) because they less …

The global disruption of the COVID‐19 pandemic has impacted the life of every child either
directly or indirectly. This review explores the pathophysiology, immune response, clinical …

Background COVID-19, the coronavirus disease that emerged in December 2019, caused
drastic damage worldwide. At the beginning of the pandemic, available data suggested that …