A Behavioral Cascade of HIV Seroadaptation Among US Men Who Have Sex with Men in the Era of PrEP and U = U

Steven M. Goodreau*, Kevin M. Maloney, Travis H. Sanchez, Martina Morris, Patrick Janulis, Samuel M. Jenness

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Seroadaptive behaviors help reduce HIV risk for some men who have sex with men (MSM), and have been well documented across MSM populations. Advancements in biomedical prevention have changed the contexts in which seroadaptive behaviors occur. We thus sought to estimate and compare the prevalence of four stages of the “seroadaptive cascade” by PrEP use in the recent era: knowledge of own serostatus, knowledge of partner serostatus; serosorting (matching by status), and condomless anal intercourse. Serosorting overall appeared to remain common, especially with casual and one-time partners. Although PrEP use did not impact status discussion, it did impact serosorting and the likelihood of having condomless anal intercourse. For respondents not diagnosed with HIV and not on PrEP, condomless anal intercourse occurred in just over half of relationships with HIV-positive partners who were not on treatment. Biomedical prevention has intertwined with rather than supplanted seroadaptive behaviors, while contexts involving neither persist.

Original languageEnglish (US)
Pages (from-to)3933-3943
Number of pages11
JournalAIDS and behavior
Volume25
Issue number12
DOIs
StatePublished - Dec 2021

Keywords

  • Condom use
  • HIV-1
  • Men who have sex with men
  • Pre-exposure prophylaxis (PrEP)
  • Seroadaptive behaviors
  • Treatment as prevention (TasP)

ASJC Scopus subject areas

  • Social Psychology
  • Public Health, Environmental and Occupational Health
  • Infectious Diseases

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