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STDs & Sexual Health

Can You Be Immune to Herpes?

Andre Stone | MD

Medically reviewed by Andre Stone | MD, University of Pittsburgh School of Medicine on August 25th, 2026.

Infection with HSV-1 or HSV-2 does not usually produce complete, lasting protection. Some genetic and immune factors may affect a person’s susceptibility, but antibodies do not eliminate the virus or guarantee protection from future infection or reactivation. However, your immune system plays a crucial role in controlling outbreaks once infected. People with stronger immune responses typically experience fewer and less severe symptoms. Global estimates suggest that HSV-1 affects roughly two-thirds of people younger than 50, while HSV-2 affects about one in eight people ages 15 to 49; estimates vary by year, region, age, and source. Your body develops antibodies after infection, but these don't prevent the virus from remaining dormant in nerve cells. The virus can reactivate periodically, though frequency varies greatly between individuals.

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