How Long Is Mononucleosis Contagious?
Mononucleosis (aka “mono”) is most contagious during the first 2 to 4 weeks. But even after symptoms fade, the virus can still live in your saliva for 6 months or more. Some people may continue shedding the virus off and on for up to a year. The tricky part is, you can pass it to [&helli...