Is it likley to give someone head while having a cold sore and them not getting anything? how soon should i have him get tested?

Relax: The other person probably already has this virus. Most adults have it but only a few have symptoms. If he already has it, he will not get it from another person. Since the virus is sometimes present between attacks, most transmission occurs from a person having no sore at the time. People who carry the virus but do not know it account for the majority of infections to contacts. A blood test can de.