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Heather Bradley, Lauri E. Markowitz, Theda Gibson, Geraldine M. McQuillan, Seroprevalence of Herpes Simplex Virus Types 1 and 2—United States, 1999–2010, The Journal of Infectious Diseases, Volume 209, Issue 3, 1 February 2014, Pages 325–333, https://doi.org/10.1093/infdis/jit458
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Abstract
Background. Herpes simplex virus types 1 and 2 (HSV-1 and HSV-2) are common infections with serious sequelae. HSV-1 is an increasingly important cause of genital herpes in industrialized countries.
Methods. Using nationally representative data from the National Health and Nutrition Examination Survey (NHANES), we examined HSV-1 and HSV-2 seroprevalence among 14- to 49-year-olds in the United States. We estimated seroprevalence in 1999–2004 and 2005–2010, stratified by sociodemographic characteristics and sexual behaviors. We also reviewed HSV-1 and HSV-2 seroprevalence from 1976–1980 to 2005–2010.
Results. In 2005–2010, the seroprevalence of HSV-1 was 53.9%, and the seroprevalence of HSV-2 was 15.7%. From 1999–2004 to 2005–2010, HSV-1 seroprevalence declined by nearly 7% (P < .01), but HSV-2 seroprevalence did not change significantly. The largest decline in HSV-1 seroprevalence from 1999–2004 to 2005–2010 was observed among adolescents aged 14–19 years, among whom seroprevalence declined by nearly 23%, from 39.0% to 30.1% (P < .01). In this age group, HSV-1 seroprevalence declined >29% from 1976–1980 to 2005–2010 (P < .01).
Conclusions. An increasing number of adolescents lack HSV-1 antibodies at sexual debut. In the absence of declines in HSV-2 infections, the prevalence of genital herpes may increase.
