The U.S. moved closer Thursday toward vaccinating 100 million Americans in a race against an uptick in COVID-19 cases that is fueling fears of another nationwide […]
The leader of Canada’s most populous province announced Thursday what he calls a province wide shutdown for four weeks because of a third surge of coronavirus […]
Exposure to antibiotics in utero and infancy can lead to an irreversible loss of regulatory T-cells in the colon—a valuable component of the immune system’s response […]
Nearly one in seven Britons who tested positive for COVID-19 continued to have symptoms for at least 12 weeks, according to a UK study released Thursday.