Cold sores are a common and highly contagious condition that can be caused by the herpes simplex virus (HSV), typically HSV-1 ...
Cold sores are small, fluid-filled blisters that appear on or around the lips or nose and are caused by the herpes simplex virus (HSV), typically HSV-1 ...
Experts explain what they do, and don’t, recommend. Ask Well Experts explain what they do, and don’t, recommend. Credit...Joyce Lee for The New York Times Supported by By Erica Sweeney Q: I get cold ...