Respiratory viruses, like the common cold, have similar symptoms to COVID-19 and the flu. It can be difficult to know the exact cause behind a cough and sneeze or fever, without getting tested.

Wastewater maps show where levels of COVID, flu and RSV are high. ... Symptoms of COVID-19 can show up later than a cold or the flu, according to the Mayo Clinic. A fever is rare, ...

Herpes simplex virus type 1 (HSV-1), the cause of the common cold sore, can spread into the central nervous system and ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and … ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and … ...

Flu season by the numbers The CDC estimates that there have been at least 29 million flu infections so far this season, through Feb. 8, including 370,000 hospitalizations and 16,000 deaths.

The herpes virus that commonly causes cold sores affects how tightly coiled our DNA is and makes it shrink, all to help itself grow ...

Once a cold virus gets inside you, your immune system, the body's defense against germs, launches a counter-attack. It's this response that brings on the classic symptoms like a cough or stuffed ...

Herpes simplex virus type 1 (HSV-1), the cause of the common cold sore, can spread into the central nervous system and preferences for certain parts of the brain.