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Epidemiological and molecular characteristics of HIV-1 infection among female commercial sex workers, men who have sex with men and people living with AIDS in Paraguay / Características epidemiológicas e moleculares da infecção por HIV-1 entre as mulheres que trabalham no comércio do sexo, entre homens que mantém relações sexuais com homens e nas pessoas convivendo com AIDS no Paraguai
Aguayo, Nicolas; Laguna-Torres, Victor Alberto; Villafane, Margarita; Barboza, Alma; Sosa, Liliana; Chauca, Gloria; Carrion, Gladys; Coenca, Beatriz; Perez, Juan; Galeano, Adolfo; Bautista, Christian T; Sanchez, Jose L; Carr, Jean K; Kochel, Tadeusz.
  • Aguayo, Nicolas; Ministry of Health Paraguay. Asunción. PY
  • Laguna-Torres, Victor Alberto; U.S. Naval Medical Research Center Detachment.
  • Villafane, Margarita; Ministry of Health Paraguay. Asunción. PY
  • Barboza, Alma; Ministry of Health Paraguay. Asunción. PY
  • Sosa, Liliana; Ministry of Health Paraguay. Asunción. PY
  • Chauca, Gloria; U.S. Naval Medical Research Center Detachment.
  • Carrion, Gladys; U.S. Naval Medical Research Center Detachment.
  • Coenca, Beatriz; Ministry of Health Paraguay. Asunción. PY
  • Perez, Juan; Ministry of Health Paraguay. Asunción. PY
  • Galeano, Adolfo; Ministry of Health Paraguay. Instituto de Medicina Tropical. Asunción. PY
  • Bautista, Christian T; U.S. Naval Medical Research Center Detachment.
  • Sanchez, Jose L; Department of Defense Global Emerging Infections Surveillance and Response System. Lima. PE
  • Carr, Jean K; University of Maryland School of Medicine. Institute of Human Virology. US
  • Kochel, Tadeusz; U.S. Naval Medical Research Center Detachment.
Rev. Soc. Bras. Med. Trop ; 41(3): 225-231, maio-jun. 2008. graf, mapas, tab
Article in English | LILACS | ID: lil-489736
ABSTRACT
An HIV seroprevalence and molecular study was conducted among 935

subjects:

723 female commercial sex workers, 92 men who have sex with men and 120 HIV-positive volunteers. The reported injection drug use rates were 0.7 percent in female commercial sex workers and 3 percent in men who have sex with men. Sexually transmitted infections were reported in 265 (37 percent) of the female commercial sex workers and 38 (41 percent) of the men who have sex with men. A total of 20 (2.8 percent) female commercial sex workers and 12 (13 percent) men who have sex with men became HIV infected during the study period. A history of sexually transmitted infection increased the risk of subsequent HIV infection twofold (adjusted odds ratio of 2.5) among the female commercial sex workers, while cocaine use had an adjusted odds ratios of 6.61 among men who have sex with men. From 130 samples, and based on heteroduplex mobility assaying for the env gene, with sequencing of part of pol and/or full genomes, subtype B was the predominant subtype identified (66 percent); followed by subtype F (22 percent) and subtype C (4 percent). Recombinant CRF12-BF strains were identified in 6 percent and CRF17_BF was identified in 2 percent.
RESUMO
Um estudo de soroprevalência e de avaliação molecular do HIV foi realizado com 935 indivíduos 723 mulheres que trabalhavam no comércio do sexo, 92 homens que mantinham relações sexuais com outros homens e com 120 voluntários HIV-positivos. O relato de uso de drogas injetáveis foi de 0,7 por cento nas mulheres que trabalhavam no comércio do sexo e de 3 por cento nos homens que mantinham relações sexuais com outros homens. Infecções sexualmente transmitidas foram relatadas por 265 (37 por cento) das mulheres que trabalhavam no comércio do sexo e em 38 (41 por cento) dos homens que mantinham relações sexuais com homens. Um total de 20 (2,8 por cento) mulheres que trabalhavam no comércio do sexo e 12 (13 por cento) homens que mantinham relações sexuais com homens se infectou com HIV durante o período do estudo. História prévia de infecção sexualmente transmitida aumentou em duas vezes o risco de infecção subseqüente por HIV (odds ratio ajustado de 2,5) entre as mulheres que trabalhavam no comércio do sexo, enquanto cocaína apresentou odds ratio ajustado de 6,61 entre os homens que mantinham relações sexuais com outros homens. De 130 amostras, com base no ensaio da mobilidade heteroduplex para o gene env, com sequenciamento de parte do pol e/ou genomas completos, o subtipo B foi o subtipo mais identificado (66 por cento); seguido pelo subtipo F (22 por cento) e subtipo C (4 por cento). Cepas recombinantes CRF12-BF foram identificadas em 6 por cento e CRF17_BF foi identificada em 2 por cento.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Sex Work / HIV Infections / HIV-1 / Homosexuality, Male Type of study: Etiology study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Paraguay Language: English Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2008 Type: Article / Project document Affiliation country: Paraguay / Peru / United States Institution/Affiliation country: Department of Defense Global Emerging Infections Surveillance and Response System/PE / Ministry of Health Paraguay/PY / University of Maryland School of Medicine/US

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Full text: Available Index: LILACS (Americas) Main subject: Sex Work / HIV Infections / HIV-1 / Homosexuality, Male Type of study: Etiology study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Paraguay Language: English Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2008 Type: Article / Project document Affiliation country: Paraguay / Peru / United States Institution/Affiliation country: Department of Defense Global Emerging Infections Surveillance and Response System/PE / Ministry of Health Paraguay/PY / University of Maryland School of Medicine/US