A new report by the World Health Organization estimates that two out of three adults under the age of 50 had herpes simplex virus 1 in 2012. That’s 3.7 billion people worldwide who are infected. But that doesn’t mean it’s time to panic.
Genital herpes infects as many as one in six adults in the United States. A vaccine to prevent its spread would be a huge public health victory. We are not there yet, but recent news suggests progress.