Can Herpes Be Spread When There Are No Visible Sores?

Yes, herpes can be transmitted even when no visible sores are present through asymptomatic viral shedding. This occurs when the virus becomes active on the skin or mucous membranes without causing noticeable symptoms. Studies show that asymptomatic shedding happens on approximately 10-20% of days for people with HSV-2 and 3-5% of days for those with HSV-1. The risk is highest in the first year after infection and gradually decreases over time. Antiviral medications can reduce viral shedding by up to 50%, significantly lowering transmission risk.

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