Five years after the start of Covid, we appear to be trying to teach ourselves the lessons of the pandemic the hard way.

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

COVID symptoms can be mild, severe, or nonexistent, according to the CDC—and can appear as late as two weeks after you’ve ...

Not anymore. In March, the Centers for Disease Control and Prevention (CDC) updated its COVID isolation guidelines based on symptoms, not time since testing positive. Bottom line: If you’re sick ...

During the current "silent" COVID-19 surge, you are at greater risk for getting infected with the SARS-CoV-2. Here's what to ...

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

With holiday gatherings and New Year's celebrations in the rearview mirror, many Americans are coming down with respiratory ...

In a CNN interview on Monday, White House chief medical advisor Dr. Anthony Fauci defended a big change to the CDC Covid guidelines. His comments, to say the least, have raised some eyebrows.

Is COVID going around again? The CDC's wastewater surveillance system suggests the virus is growing in prevalence.

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

Respiratory illness activity is currently considered "high" in the United States, according to the CDC. In one state, it is ...

Five years ago, a cluster of people in Wuhan, China, fell sick with a virus never before seen in the world. The germ didn’t ...