CNN wellness expert Dr. Leana Wen suggests what to do to reduce your risk of catching respiratory viruses this winter and how to treat them if you’re sick.

It's been five years since the start of the COVID-19 pandemic, and schools are still working on getting back to pre-COVID ...

Higher levels of leukocytes -- a form of white blood cell -- are associated with more severe symptoms of long COVID among ...

RSV is usually contagious for three to eight days. A patient also may be contagious a day or two before experiencing symptoms ...

Investigators from Mass General Brigham have found that a method originally designed for cancer detection can also identify and monitor even tiny amounts of SARS-CoV-2 intact viral particles in blood ...

SA Health is planning to end the directive that staff with Covid stay home — and also end the Special Leave arrangements and ...