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 ...

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

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

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

Vaccinations alone may not be enough to protect people with compromised immune systems from infection, even if the vaccine ...

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

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

The trial will evaluate the safety and effectiveness of a next-generation vaccine administered through a nasal spray or ...

With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, ...

Researchers review the ever-growing list of human viruses, examining their diversity, transmission pathways, and the urgent ...

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

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