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

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

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

The source of the SARS-CoV-2 virus, which causes COVID-19, remains elusive. With "low confidence," some federal agencies ...

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

A new study found severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was associated with the rapid growth ...

SARS-CoV-2 infection was associated with more rapid coronary plaque progression and significantly increased risk for adverse ...

A new study found severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was associated with the rapid growth ...

Even a mild infection with COVID-19 can promote clogged arteries, increasing the risk of heart attack in some people, a new ...

The vast majority of people in a study with long COVID had experienced multiple SARS-CoV-2 infections over the course of a ...

Disinfecting surfaces is crucial in keeping bacteria and viruses at bay, but the cleaning solutions could be ineffective if ...