Concordant oral-genital HPV infection in South Africa couples: Evidence for transmission

Samantha Vogt, Patti E. Gravitt, Neil A. Martinson, Jennifer Hoffmann, Gypsyamber D'Souza

Research output: Contribution to journalArticle

Abstract

Objective: Cervical cancer is a leading cause of cancer mortality in South Africa. However, little is known about oral human papillomavirus (HPV) infection in high human immunodeficiency virus (HIV) seroprevalence settings. Method: Thirty-four adult heterosexual couples attending an HIV testing center in Soweto, South Africa were enrolled. Each participant provided an oral rinse sample and genital swab, which were tested for 37 types of HPV DNA, and completed a risk behavior survey. Results: Median age was 31 years and 9% (3/34) of men and 29% (10/34) of women enrolled tested HIV-positive; median CD4 count was 437 cells/mm3. Oral HPV prevalence was similar in women and men (12 vs. 18%, p = 0.48), and was non-significantly higher in HIV-infected vs. HIV-uninfected (23 vs. 13%, p = 0.34) subjects. Most men (82%) and women (84%) reported ever performing oral sex. Median number of lifetime sexual partners was "2-5" while median number of lifetime oral sex partners was 1. Oncogenic HPV subtypes were detected in 4% of oral, 26% of penile, and 74% of vaginal samples, including HPV16 in 1, 12, and 21% of these samples respectively. Genital HPV prevalence was significantly higher than oral HPV prevalence (75 vs. 15%, p ≤ 0.001). Thirty-five percent of couples (12/34) had at least one type-specific concordant vaginal-penile HPV infection but only one of nine couples with oral HPV had concordant oral-oral infection. However, 67% (4/6) of men and 25% (1/4) of women with oral HPV infection had partners with concordant genital HPV infection. Implications and Impact: Oral-oral HPV concordance between couples is low, but oral-genital and genital-genital HPV concordance is higher, including concordance of male oral HPV infection with their partners' vaginal HPV infection. This data is consistent with possible transmission of vaginal HPV infection to the oral cavity of sexual partners performing oral sex.

Original languageEnglish (US)
Article number00303
JournalFrontiers in Oncology
Volume3 DEC
DOIs
StatePublished - 2013

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Papillomavirus Infections
South Africa
HIV
Sexual Behavior
Sexual Partners
Heterosexuality
Seroepidemiologic Studies
CD4 Lymphocyte Count
Risk-Taking
Uterine Cervical Neoplasms

Keywords

  • Concordance
  • Genital
  • HIV
  • HPV
  • Oral
  • Oral sex
  • South Africa
  • Transmission

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Concordant oral-genital HPV infection in South Africa couples : Evidence for transmission. / Vogt, Samantha; Gravitt, Patti E.; Martinson, Neil A.; Hoffmann, Jennifer; D'Souza, Gypsyamber.

In: Frontiers in Oncology, Vol. 3 DEC, 00303, 2013.

Research output: Contribution to journalArticle

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abstract = "Objective: Cervical cancer is a leading cause of cancer mortality in South Africa. However, little is known about oral human papillomavirus (HPV) infection in high human immunodeficiency virus (HIV) seroprevalence settings. Method: Thirty-four adult heterosexual couples attending an HIV testing center in Soweto, South Africa were enrolled. Each participant provided an oral rinse sample and genital swab, which were tested for 37 types of HPV DNA, and completed a risk behavior survey. Results: Median age was 31 years and 9{\%} (3/34) of men and 29{\%} (10/34) of women enrolled tested HIV-positive; median CD4 count was 437 cells/mm3. Oral HPV prevalence was similar in women and men (12 vs. 18{\%}, p = 0.48), and was non-significantly higher in HIV-infected vs. HIV-uninfected (23 vs. 13{\%}, p = 0.34) subjects. Most men (82{\%}) and women (84{\%}) reported ever performing oral sex. Median number of lifetime sexual partners was {"}2-5{"} while median number of lifetime oral sex partners was 1. Oncogenic HPV subtypes were detected in 4{\%} of oral, 26{\%} of penile, and 74{\%} of vaginal samples, including HPV16 in 1, 12, and 21{\%} of these samples respectively. Genital HPV prevalence was significantly higher than oral HPV prevalence (75 vs. 15{\%}, p ≤ 0.001). Thirty-five percent of couples (12/34) had at least one type-specific concordant vaginal-penile HPV infection but only one of nine couples with oral HPV had concordant oral-oral infection. However, 67{\%} (4/6) of men and 25{\%} (1/4) of women with oral HPV infection had partners with concordant genital HPV infection. Implications and Impact: Oral-oral HPV concordance between couples is low, but oral-genital and genital-genital HPV concordance is higher, including concordance of male oral HPV infection with their partners' vaginal HPV infection. This data is consistent with possible transmission of vaginal HPV infection to the oral cavity of sexual partners performing oral sex.",
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N2 - Objective: Cervical cancer is a leading cause of cancer mortality in South Africa. However, little is known about oral human papillomavirus (HPV) infection in high human immunodeficiency virus (HIV) seroprevalence settings. Method: Thirty-four adult heterosexual couples attending an HIV testing center in Soweto, South Africa were enrolled. Each participant provided an oral rinse sample and genital swab, which were tested for 37 types of HPV DNA, and completed a risk behavior survey. Results: Median age was 31 years and 9% (3/34) of men and 29% (10/34) of women enrolled tested HIV-positive; median CD4 count was 437 cells/mm3. Oral HPV prevalence was similar in women and men (12 vs. 18%, p = 0.48), and was non-significantly higher in HIV-infected vs. HIV-uninfected (23 vs. 13%, p = 0.34) subjects. Most men (82%) and women (84%) reported ever performing oral sex. Median number of lifetime sexual partners was "2-5" while median number of lifetime oral sex partners was 1. Oncogenic HPV subtypes were detected in 4% of oral, 26% of penile, and 74% of vaginal samples, including HPV16 in 1, 12, and 21% of these samples respectively. Genital HPV prevalence was significantly higher than oral HPV prevalence (75 vs. 15%, p ≤ 0.001). Thirty-five percent of couples (12/34) had at least one type-specific concordant vaginal-penile HPV infection but only one of nine couples with oral HPV had concordant oral-oral infection. However, 67% (4/6) of men and 25% (1/4) of women with oral HPV infection had partners with concordant genital HPV infection. Implications and Impact: Oral-oral HPV concordance between couples is low, but oral-genital and genital-genital HPV concordance is higher, including concordance of male oral HPV infection with their partners' vaginal HPV infection. This data is consistent with possible transmission of vaginal HPV infection to the oral cavity of sexual partners performing oral sex.

AB - Objective: Cervical cancer is a leading cause of cancer mortality in South Africa. However, little is known about oral human papillomavirus (HPV) infection in high human immunodeficiency virus (HIV) seroprevalence settings. Method: Thirty-four adult heterosexual couples attending an HIV testing center in Soweto, South Africa were enrolled. Each participant provided an oral rinse sample and genital swab, which were tested for 37 types of HPV DNA, and completed a risk behavior survey. Results: Median age was 31 years and 9% (3/34) of men and 29% (10/34) of women enrolled tested HIV-positive; median CD4 count was 437 cells/mm3. Oral HPV prevalence was similar in women and men (12 vs. 18%, p = 0.48), and was non-significantly higher in HIV-infected vs. HIV-uninfected (23 vs. 13%, p = 0.34) subjects. Most men (82%) and women (84%) reported ever performing oral sex. Median number of lifetime sexual partners was "2-5" while median number of lifetime oral sex partners was 1. Oncogenic HPV subtypes were detected in 4% of oral, 26% of penile, and 74% of vaginal samples, including HPV16 in 1, 12, and 21% of these samples respectively. Genital HPV prevalence was significantly higher than oral HPV prevalence (75 vs. 15%, p ≤ 0.001). Thirty-five percent of couples (12/34) had at least one type-specific concordant vaginal-penile HPV infection but only one of nine couples with oral HPV had concordant oral-oral infection. However, 67% (4/6) of men and 25% (1/4) of women with oral HPV infection had partners with concordant genital HPV infection. Implications and Impact: Oral-oral HPV concordance between couples is low, but oral-genital and genital-genital HPV concordance is higher, including concordance of male oral HPV infection with their partners' vaginal HPV infection. This data is consistent with possible transmission of vaginal HPV infection to the oral cavity of sexual partners performing oral sex.

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