you are most contagious in the first 7-10 days. This is because the virus is most numerous in your saliva. Once scabs form on your blisters, you can still spread the disease but you're less contagious. You're considered noncontagious when the last scab falls off...
you are most contagious in the first 7-10 days. This is because the virus is most numerous in your saliva. Once scabs form on your blisters, you can still spread the disease but you're less contagious. You're considered noncontagious when the last scab falls off...