COVID-19 was "intentionally engineered as a part of a biodefense program" by the U.S., former CDC director Robert Redfield ...

Researchers have proposed several biological mechanisms to explain long COVID. However, in a perspective article published in ...

A team of scientists, including one in Saskatoon, say they have strong evidence that the COVID-19 virus jumped from infected ...

New COVID-19 research uncovers viral behavior insights, driving innovative treatments with Northwestern Medicine's support.

Mr Trump, who is still contagious, removed his mask on the balcony of the White House, while posing for pictures ... of Covid ...