SARS-CoV-2 infections manifest with a broad spectrum of presentations, ranging from
asymptomatic infections to severe pneumonia and fatal outcomes. This review centers on …

Blood transfusion is a vital procedure, where transfusion‐transmitted infection of hepatitis B
virus (HBV) remains an important issue, especially from blood donors with occult hepatitis B …

Abstract SARS-CoV-2-reactive T cells are detected in some healthy unexposed individuals.
Human studies indicate these T cells could be elicited by the common cold coronavirus …

The SARS-CoV-2 Omicron sub-variants BA. 2.86 and JN. 1 contain multiple mutations in the
spike protein that were not present in previous variants of concern and Omicron sub …

COVID-19 had stormed through the world in early March of 2019, and on 5 May 2023, SARS-
CoV-2 was officially declared to no longer be a global health emergency. The rise of new …

The COVID‐19 pandemic, caused by the severe acute respiratory syndrome coronavirus 2
(SARS‐CoV‐2), astonished the world and led to millions of deaths. Due to viral new …

The NIH-funded RECOVER study is collecting clinical data on patients who experience a
SARS-CoV-2 infection. As patient representatives of the RECOVER Initiative's Mechanistic …

Memory T cells form from the adaptive immune response to historic infections or
vaccinations. Some memory T cells have the potential to recognise unrelated pathogens like …

The COVID-19 pandemic remains a significant public health concern despite the new
vaccines and therapeutics. The clinical course of acute SARS-CoV-2 infection is highly …

Background The COVID‐19 pandemic has had a profound global impact, with variations in
susceptibility, severity, and mortality rates across different regions. While many factors can …