{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T08:50:00Z","timestamp":1791881400787,"version":"4.3.4"},"reference-count":36,"publisher":"Wiley","issue":"S2","license":[{"start":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T00:00:00Z","timestamp":1784851200000},"content-version":"vor","delay-in-days":23,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Int AIDS Soc."],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>HIV pre\u2010exposure prophylaxis (PrEP) users may be disproportionately vulnerable to sexually transmitted infections (STIs) in general, including several that are vaccine\u2010preventable. Understanding immunization patterns in this population is, therefore, crucial. However, data on vaccination coverage among Brazilian PrEP users remains limited.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We conducted a retrospective single\u2010centre study of adults using HIV PrEP at an STI clinic in S\u00e3o Paulo, Brazil, between 2017 and 2024, to assess vaccination adequacy for vaccine\u2010preventable STIs among PrEP users, as well as other STI prevention measures during follow\u2010up. Demographic characteristics, substance use, STI history and vaccination status for hepatitis A (HAV), hepatitis B (HBV), human papillomavirus (HPV) and MPox were extracted from medical records, immunization registries and laboratory results, and descriptive analyses were performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Among 190 participants (median age: 36 years), 89.5% were gay or other men who have sex with men (MSM). Over a mean follow\u2010up period of 45 months, complete vaccination coverage was observed in 97.7% for HBV, 49.5% for HAV, 24.2% for HPV and 1.6% for MPox. Despite documented prior vaccination, a proportion of participants remained susceptible to HAV (16.3%) and HBV (2.3%). Furthermore, a substantial proportion of participants (32.1% for HAV, 53.7% for HPV and 81.0% for MPox) had neither a documented vaccination status nor a provider recommendation for vaccination recorded in their medical charts. HPV\u2010 and MPox\u2010related clinical lesions were documented in 17.9% and 2.1% of participants, respectively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Notable gaps in immunization against preventable STIs were observed in this PrEP cohort in S\u00e3o Paulo, Brazil. While HBV coverage was high, uptake of HAV, HPV and MPox vaccines was low. Addressing these gaps in our cohort requires transitioning from mere provider recommendations to structural public health policies. Implementing on\u2010site vaccine administration within PrEP services, integrating immunization into STI screening, expanding free access and addressing key vulnerabilities are critical steps to eliminate structural barriers and reduce the STI burden.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jia2.70152","type":"journal-article","created":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T05:18:18Z","timestamp":1784956698000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Vaccination Coverage and Prevention Counselling for Vaccine\u2010Preventable STIs Among HIV PrEP Users in S\u00e3o Paulo, Brazil: A Retrospective Cohort Study"],"prefix":"10.1002","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-3247-4171","authenticated-orcid":false,"given":"Marjorie Marini","family":"Rapozo","sequence":"first","affiliation":[{"name":"Servi\u00e7o de Extens\u00e3o ao Atendimento de Pacientes HIV\/AIDS (SEAP), Divis\u00e3o de Doen\u00e7as Infecciosas e Parasit\u00e1rias Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo  Sao Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amanda Nazareth","family":"Lara","sequence":"additional","affiliation":[{"name":"Servi\u00e7o de Extens\u00e3o ao Atendimento de Pacientes HIV\/AIDS (SEAP), Divis\u00e3o de Doen\u00e7as Infecciosas e Parasit\u00e1rias Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo  Sao Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5719-5919","authenticated-orcid":false,"given":"Victor Cabelho","family":"Passarelli","sequence":"additional","affiliation":[{"name":"Servi\u00e7o de Extens\u00e3o ao Atendimento de Pacientes HIV\/AIDS (SEAP), Divis\u00e3o de Doen\u00e7as Infecciosas e Parasit\u00e1rias Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo  Sao Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"La\u00edsa Rivas Dapousa","family":"Ramos","sequence":"additional","affiliation":[{"name":"Servi\u00e7o de Extens\u00e3o ao Atendimento de Pacientes HIV\/AIDS (SEAP), Divis\u00e3o de Doen\u00e7as Infecciosas e Parasit\u00e1rias Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo  Sao Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patricia Silva","family":"Montes","sequence":"additional","affiliation":[{"name":"Servi\u00e7o de Extens\u00e3o ao Atendimento de Pacientes HIV\/AIDS (SEAP), Divis\u00e3o de Doen\u00e7as Infecciosas e Parasit\u00e1rias Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo  Sao Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Camila de Melo","family":"Picone","sequence":"additional","affiliation":[{"name":"Servi\u00e7o de Extens\u00e3o ao Atendimento de Pacientes HIV\/AIDS (SEAP), Divis\u00e3o de Doen\u00e7as Infecciosas e Parasit\u00e1rias Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo  Sao Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9198-2649","authenticated-orcid":false,"given":"Angela Carvalho","family":"Freitas","sequence":"additional","affiliation":[{"name":"Servi\u00e7o de Extens\u00e3o ao Atendimento de Pacientes HIV\/AIDS (SEAP), Divis\u00e3o de Doen\u00e7as Infecciosas e Parasit\u00e1rias Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo  Sao Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,24]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmjopen-2020-048478"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.idc.2024.04.003"},{"key":"e_1_2_10_4_1","unstructured":"BRASIL Minist\u00e9rio da Sa\u00fade. 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