Herpes Outbreak Frequency: How Often Do They Occur? People with symptomatic HSV-1 can have anywhere from several outbreaks per year to one every couple years or so, depending on the individual.
How common is HSV-1 genital?
In 2016, an estimated 3.7 billion people under the age of 50, or 67% of the population, had HSV-1 infection (oral or genital).
How often does genital HSV-1 recur?
By contrast, genital HSV-1 recurs infrequently. The genital HSV-1 recurrence rate is ∼20% of the rate described for genital HSV-2 in the first year of infection, and there is a considerably more rapid decrease over time for HSV-1 than for HSV-2.
What causes recurrent HSV-1 outbreaks?
Triggers for recurrence — Illness, stress, sunlight, and fatigue can trigger recurrent herpes outbreaks. In women, menstrual periods may trigger an outbreak. When did I become infected? — The first time a person has noticeable signs or symptoms of herpes may not be the initial episode.
How often does HSV-1 shedding occur?
Conclusions: At least 70% of the population shed HSV-1 asymptomatically at least once a month, and many individuals appear to shed HSV-1 more than 6 times per month.
How often does genital HSV-1 shed asymptomatically?
In these studies, asymptomatic shedding from anogenital sites was documented in 80%–90% of seropositive men and women, was present on ~20% of days with daily sampling, and was present at even higher frequency during the first 3 months after acquisition of first-episode genital herpes [12–18].
Is HSV-1 less contagious over time?
Research shows that older herpes infections are less contagious than newer ones. In other words, if a person has had the virus for many years, they may be less likely to spread it than someone who has recently contracted it. People can also get oral herpes through nonsexual contact with a person who has the virus.
How likely is it to spread HSV-1 without an outbreak?
Herpes (both oral & genital) can be spread even when there are no symptoms or sores. This is called asymptomatic shedding. Suppressive antiviral therapy significantly reduces asymptomatic shedding (and outbreaks). Valacyclovir taken daily can reduce risk of transmission to a partner by as much as 50%.