Multiple vaccine shots are needed to boost vasculitis patients’ immunity against COVID, especially if they have been treated ...

Findings indicate a sharp drop in immunity after Omicron infection, stressing the necessity for updated vaccines to enhance ...

Long COVID duration did not affect health outcomes; however, COVID-19 vaccination status was associated with better PROMIS ...

Data on mRNA vaccines sent by Moderna to European regulators before the COVID-19 outbreak included early tests of the mRNA ...

An image that is spreading widely online claims that Moderna had created its COVID-19 vaccine two years before the pandemic ...

A Weill Cornell Medicine-Qatar study found that SARS-CoV-2 evolved from prioritizing transmission to evading immunity after the Omicron variant emerged. Before Omicron, natural immunity from prior ...

A study found catching Covid or receiving the vaccine while pregnant had no increased risk of developmental health issues in ...

A new study from researchers at Weill Cornell Medicine-Qatar (WCM-Q) reveals how the SARS-CoV-2 virus evolved from initially ...

Infection with the SARS-CoV-2 Omicron variant confers weak, short-term protection against reinfection, compared with the much ...

The following is a summary of “Impact of disease severity, age, sex, comorbidity, and vaccination on secondary attack rates of SARS-CoV-2: a global systematic review and meta-analysis,” published in ...

SARS-CoV-2 risk is lower among children aged younger than 5 who had vs did not have prior infection, regardless of vaccination status.

In total, 5% of dogs and 13% of cats tested positive for COVID-19 on polymerase chain reaction, and 25% and 36%, respectively ...