Flu and COVID cases are on the rise in a big way in Alberta as the respiratory illness season is heating up early — and while ...

The Centers for Disease Control and Prevention last month raised its benchmark for levels of the Covid virus in wastewater, adjusting a key metric for assessing the disease’s transmission. As a result ...

NBC News has the latest data on the coronavirus pandemic. See how Covid-19 has affected the health, travel and jobs in your state. Updated regularly.

Although foodborne pathogens have been in the spotlight all summer, another highly contagious virus is picking up steam: coronavirus. After a lull this spring and early summer, COVID-19 infections are ...

The pattern turned up even in people whose first COVID infection felt fairly mild, and it hit some groups harder than others.