Respiratory syncytial virus (RSV) is a contagious virus. For most adults, it’s slightly more contagious than other respiratory viruses, but there are ways to reduce your risk of contracting this virus ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

The flu virus is most contagious in the first three to four days after you get it, even if symptoms haven't appeared yet. No one wants to get the flu, but every year, starting around October, the ...

How long a person is contagious with the coronavirus varies, and scientists do not have a precise answer that applies to every case. However, people may shed the virus for between 2–3 weeks. The novel ...

The tonsils are an integral part of the body’s immune function. They are the body’s first defense mechanism against germs and viruses that enter the body through your mouth, per Mayo Clinic.

It can be. There are two kinds of bronchitis: Chronic. It isn't contagious, but it means your airways are inflamed for a long time with symptoms that last at least three months and come back over a ...

You are likely not contagious with COVID-19 nine days after your symptoms start. Continue isolating if your symptoms persist, ...

Strep throat is a bacterial infection in the throat and tonsils. It is known to cause a sore or scratchy throat, as well as white patches on your tonsils. Strep throat is highly contagious during the ...