A quarter of people had Covid-19 viral proteins in their blood up to 14 months after infection. These proteins in the blood ...

There’s a family of new COVID-19 variants in town, and at least one of them looks ... CDC modeling suggests it could now be ...

The detection platform was set up to look for signals from three SARS-CoV-2 antigens: the S1 surface protein, the ...

An immune-compromised man with a year-and-a-half-long COVID-19 infection served as a breeding ground for dozens of ...

The World Health Organization has issued a report updating terminology and explanations regarding the spread of the novel coronavirus. See if you're up on the latest vocab.

The first signs that H5N1 avian flu was starting to spread from person to person would trigger a race to produce massive ...

Dr. Wenqing Zhang, who leads the WHO’s global flu program, said that the virus had been identified in a “very high virus ...

A patient had Covid-19 for a record 613 days – and it led to a new variant of the illness, according to a study.

Avian influenza has spread to dairy cows in multiple states and one person in Texas. Health officials are on high alert.

The unnamed 72-year-old, from Amsterdam, was immunocompromised due to previous stem cell transplants. He had the virus for ...

A study examining 1031 hospitalized COVID-19 patients found that aging significantly impacts immune responses, viral dynamics ...

The global health landscape has been dramatically altered by the emergence of COVID-19, a disease that was declared a pandemic by the World Health Organization and has continued to impact lives ...