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 ...

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

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

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

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

Common and highly contagious illnesses are reaching several-month highs. Norovirus has almost reached a several-year record.

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.

Flu is taking off in the U.S., with 40 states reporting high or very high levels of flu-like illness last week.

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

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

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 ...

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