Abstract
Background
Herpes simplex virus (HSV) is a common infection, affecting the majority of the population by age of 50. Recurrent symptomatic outbreaks, experienced by a minority, have significant psychological and psychosexual effects. The varicella zoster virus (VZV), resembling HSV, shows potential for a functional cure via vaccination. This study seeks to investigate if there is an association between low VZV antibody levels and recurrent HSV outbreaks.
Methods
A total of 110 patients with symptomatic and asymptomatic HSV were recruited during their sexual health screen. Serum samples were collected between Aug 2019 - July 2022; breaks in the study occurred due to COVID. The primary outcome measure was the serological status of HSV and VZV IgG titre level.
Results
The average age was 37.3 years (range 21–65 years). For people with asymptomatic genital HSV2 the average VZV IgG titre was 2373.9 IU/mL (n = 17); and 1219.0 IU/mL for the symptomatic group (n = 67); p ≤ 0.00001), with similar results for HSV1.
Conclusion
There is a strong association between average higher varicella-zoster virus (VZV) IgG level and being an asymptomatic carrier of herpes simplex sirus (HSV)1&2. A feasibility study to assess the use of the VZV vaccine as a treatment of HSV is planned.
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Supplementary Material
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