Importance Accumulating evidence suggests that children infected with severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) are more likely to manifest mild …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel beta-coronavirus
that has emerged and caused a global pandemic of coronavirus disease 2019 (COVID-19) …

Since the outbreak of SARS-CoV-2 among the population has occurred quite recently, there
is a lack of evidence on the long-term duration of antibody response, especially in children. It …

Importance Understanding the long-term immune response against SARS-CoV-2 infection
in children is crucial to optimize vaccination strategies. Although it is known that SARS-CoV …

Background Studies based on molecular testing of oral/nasal swabs underestimate SARS-
CoV-2 infection due to issues with test sensitivity, test timing and selection bias. The …

Background The immune response plays a pivotal role in dictating the clinical outcome in
severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-infected adults, but it is still …

Background This cross-sectional study aimed to track population-based SARS-CoV-2
antibody seropositivity duration across the United States using observational data from a …

Understanding the duration of antibodies to the severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) virus that causes COVID-19 is important to controlling the …

Background Wuhan was the epicentre of the COVID-19 outbreak in China. We aimed to
determine the seroprevalence and kinetics of anti-SARS-CoV-2 antibodies at population …

Methods| Healthy adults who reported no SARS-CoV-2 vaccination were recruited via 1
public Twitter post and 1 public Facebook advertisement between September 11, 2021, and …