Sexually Transmitted Diseases

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Sexually Transmitted Diseases:
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Prevalence and Risk Factors for Herpes Simplex Virus Type 2 Infection Among Middle-Age Women in Brazil and the Philippines

SMITH, JENNIFER S. MPH, PhD*; HERRERO, ROLANDO MD, PhD*†; MUÑOZ, NUBIA MD, MPH*; ELUF-NETO, JOSÉ MD, PhD‡; NGELANGEL, CORA MD§; BOSCH, F. XAVIER MD, MPH∥ AND; ASHLEY, RHODA L. PhD¶

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Abstract

Background: Data comparing type-specific herpes simplex virus type 2 (HSV-2) seroprevalence and risk factors between comparable populations are largely unavailable, particularly from less-developed countries.

Goal: To examine the seroprevalence of HSV-2 infection and the risk factors for this infection among women in São Paulo, Brazil, and Manila, the Philippines.

Study Design: Altogether, 552 middle-aged women participating as control subjects in two cervical cancer studies were screened for type-specific HSV-2 antibodies.

Results: Herpes simplex virus type 2 seroprevalence was higher in Brazil (42%) than in the Philippines (9.2%). The mean ages of Brazilian (n = 181) and Filipino (n = 371) women were 52.4 and 46.6 years, respectively. Brazilian participants had more lifetime sexual partners, less education, and more often a husband with other sexual partners than Filipino women. Herpes simplex virus type 2 was independently associated with younger age at first intercourse in both countries. More than one lifetime sexual partner, a husband with other sexual partners, urban/semi-urban residence, and no history of condom use were HSV-2 risk factors in Brazil, but not in the Philippines, where long-term hormonal contraceptive use was associated with increased risk.

Conclusions: The higher HSV-2 seroprevalence in Brazil than in the Philippines may be explained largely by differences in the sexual behavior of women and their husbands. Herpes simplex virus type 2 seroprevalence data may be used as a marker of past sexual behavior for the direct comparison of different population groups.

© Copyright 2001 American Sexually Transmitted Diseases Association

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