Herpes simplex virus is a master of bad timing—reappearing briefly, often unnoticed, and just long enough to keep the immune system on its toes. In its genital form, herpes simplex virus type 2 (HSV-2 ...
Approximately two-thirds of the world's population under the age of 50 years have oral or genital herpes simplex type 1 (HSV-1) infection, while one in eight have herpes simplex type 2 (HSV-2) ...