After a relatively slow start to the respiratory virus season, Covid-19 levels in the United States began ramping up just ...

The latest data on U.S. COVID-19 test positivity rates shows a complicated picture as we head towards the new year.

The World Health Organization has urged China to share data to help understand the origins of Covid-19, five years on from ...

How long are you contagious after getting COVID, flu, RSV, pneumonia, the norovirus stomach bug and more? Here's what to know ...

COVID "expert" Dr. Leana Wen is back on the airwaves, urging Joe Biden to approve mass testing and bird flu jabs before he leaves office.

As North Carolina braces for a harsh winter, health experts are sounding the alarm on a surge of illnesses beyond the typical trio of COVID-19, flu, and RSV.

The world first became aware of Covid-19 five years ago. We evaluate where we are, remember how we got here, and consider ...

They're calling it "silent" because the wave follows a long period of unusually low COVID activity this fall, so many people ...

Unlike previous years, where winter waves began in November, this year’s surge has started later. Wastewater surveillance ...

Wastewater surveillance suggests that we in the midst of what's being called a "Silent" COVID-19 surge fueled by the XEC ...

On Dec. 31, 2019, the Wuhan Municipal Health Commission in China first reported a cluster of cases of pneumonia, later ...

The Globe spoke with infectious disease experts about how and when to use the new combo tests. Like a COVID-19 test, the new ...