Soroprevalência para retrovírus em uma amostra da população de Rio Branco (Acre)

Carvalho, Juliano Freitas; Viana, Sebastião; Darub, Recleides; Farias, E.; Rocha, Grace; Castro, Bernardo Galvão; Neto, José Tavares

doi:10.22278/2318-2660.2002.v26.n1-2.a981

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“…In 1999, in Rio Branco, AC, a northern city in the Amazonian region with many indigenous citizens, no 12-21 year old attending an immunization campaign tested positive for HIV [58]. In 2002, none of the 70 women aged 18-21 attending a public family planning clinic in Salvador, BA were HIV seropositive; however 4% of 22-25 year-olds were HIV-positive [59].…”

Section: Resultsmentioning

confidence: 99%

A scoping review of prevalence, incidence and risk factors for HIV infection amongst young people in Brazil

2017

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BackgroundDespite young people being a key population for HIV prevention, the HIV epidemic amongst young Brazilians is perceived to be growing. We therefore reviewed all published literature on HIV prevalence and risk factors for HIV infection amongst 10-25 year olds in Brazil.MethodsWe searched Embase, LILACS, Proquest, PsycINFO, PubMed, Scopus and Web of Science for studies published up to March 2017 and analyzed reference lists of relevant studies. We included published studies from any time in the HIV epidemic which provided estimates specific to ages 10-25 (or some subset of this age range) for Brazilians on either: (a) HIV prevalence or incidence; or (b) the association between HIV and socio-demographic or behavioral risk factors.ResultsForty eight publications met the inclusion criteria: 44 cross-sectional, two case-control, two cohort. Four studies analysed national data. Forty seven studies provided HIV prevalence estimates, largely for six population subgroups: Counselling and Testing Center attendees; blood donors; pregnant women; institutional individuals; men-who-have-sex-with-men (MSM) and female sex workers (FSW); four provided HIV incidence estimates. Twelve studies showed HIV status to be associated with a wide range of risk factors, including age, sexual and reproductive history, infection history, substance use, geography, marital status, mental health and socioeconomic status.ConclusionsFew published studies have examined HIV amongst young people in Brazil, and those published have been largely cross-sectional and focused on traditional risk groups and the south of the country. Despite these limitations, the literature shows raised HIV prevalence amongst MSM and FSW, as well as amongst those using drugs. Time trends are harder to identify, although rates appear to be falling for pregnant women, possibly reversing an earlier de-masculinization of the epidemic. Improved surveillance of HIV incidence, prevalence and risk factors is a key component of efforts to eliminate HIV in Brazil.

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Section: Resultsmentioning

confidence: 99%

A scoping review of prevalence, incidence and risk factors for HIV infection amongst young people in Brazil

2017

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Prevalência da infecção pelo vírus linfotrópico humano de células T e fatores de risco associados à soropositividade em doadores de sangue da cidade de Rio Branco, AC, Brasil (1998-2001)

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Alcântara

Santos

et al. 2003

Rev. Soc. Bras. Med. Trop.

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Revista da Sociedade Brasileira de Medicina Tropical 36(6): 677-683, nov-dez, 2003 Abstract Between December 1998 and March 2001, for each HTLV-I/II seropositive blood donor (ELISA, Abbott ® ), two HTLV-I/II seronegative blood donors were also chosen. The blood samples were re-tested by ELISA (Murex ® ), and those seropositives were also tested by Western Blot and PCR. Of the 11,121 blood samples, 73 (0.66%) were positives (Abbott ® ), but only 12 (0.11%) remained positives (Murex ® ), whereas the 146 seronegatives were confirmed, even though the concordance index between these two ELISA tests was hopeless. The Western Blot confirmed the twelve blood samples as seropositives: 8 (0.07%) HTLV-I; two (0.02%) HTLV-II and two (0.02%) indeterminate, being by PCR, one HTLV-I and the other HTLV-II. Concluding, in this Western Amazon population the HTLV-I/II seroprevalence was too low, in spite of the greater prevalence of HTLV-II expected due to a great indigenous racial mixture.

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Soroprevalência para retrovírus em uma amostra da população de Rio Branco (Acre)

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Cited by 2 publications

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A scoping review of prevalence, incidence and risk factors for HIV infection amongst young people in Brazil

A scoping review of prevalence, incidence and risk factors for HIV infection amongst young people in Brazil

Prevalência da infecção pelo vírus linfotrópico humano de células T e fatores de risco associados à soropositividade em doadores de sangue da cidade de Rio Branco, AC, Brasil (1998-2001)

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