Asunto(s)
Actitud Frente a la Salud , Transmisión de Enfermedad Infecciosa/estadística & datos numéricos , Infecciones por VIH/epidemiología , Infecciones por VIH/transmisión , Relaciones Interpersonales , Asunción de Riesgos , Conducta Sexual/estadística & datos numéricos , Femenino , Humanos , MasculinoAsunto(s)
Neoplasias del Recto/epidemiología , Conducta Sexual , Adulto , Femenino , Humanos , Incidencia , MasculinoAsunto(s)
Trazado de Contacto/métodos , Infecciones por VIH/prevención & control , Parejas Sexuales , Serodiagnóstico del SIDA , Centers for Disease Control and Prevention, U.S./organización & administración , Centers for Disease Control and Prevention, U.S./normas , Infecciones por VIH/diagnóstico , Infecciones por VIH/epidemiología , Infecciones por VIH/transmisión , Humanos , Estados UnidosAsunto(s)
Circuncisión Masculina/efectos adversos , Infecciones por VIH/transmisión , Higiene/normas , Adolescente , Adulto , ADN Viral/análisis , Transmisión de Enfermedad Infecciosa/estadística & datos numéricos , VIH/genética , Infecciones por VIH/epidemiología , Infecciones por VIH/virología , Humanos , Masculino , Factores de Riesgo , Sudáfrica/epidemiología , Adulto JovenAsunto(s)
Población Negra , Brotes de Enfermedades , Enfermedades Endémicas , Parejas Sexuales , Enfermedades Bacterianas de Transmisión Sexual/epidemiología , Adolescente , Adulto , Infecciones por Chlamydia/diagnóstico , Infecciones por Chlamydia/epidemiología , Infecciones por Chlamydia/etnología , Femenino , Gonorrea/diagnóstico , Gonorrea/epidemiología , Gonorrea/etnología , Humanos , Incidencia , Masculino , San Francisco/epidemiología , Enfermedades Bacterianas de Transmisión Sexual/diagnóstico , Enfermedades Bacterianas de Transmisión Sexual/etnología , Adulto JovenAsunto(s)
Infecciones por VIH/transmisión , Conducta Sexual , Trazado de Contacto , Femenino , Humanos , Malaui , Masculino , Parejas SexualesRESUMEN
In the USA, annual rates of new human immunodeficiency virus (HIV)/AIDS diagnoses are seven and 21 times higher in black men and women, respectively, than in whites. Epidemiological inquiry on this disparity has chiefly focused on contextual factors; such emphasis has eclipsed study of direct HIV vectors. The US Centers for Disease Control and Prevention recently announced its intention to curb HIV propagation in black communities, recommending culturally appropriate HIV/AIDS strategies. Contemplated societal interventions should be informed by data evaluating more direct (and under-assessed) HIV transmission vectors, specifically anal intercourse and unsuspected blood exposures. This recommendation involves tracing sexual and non-sexual contacts of recently infected persons and uninfected controls, coupled with DNA sequencing of HIV isolates. Public health authorities do not know the extent to which unmeasured yet plausible HIV transmission vectors can account for ethnic disparities. Appropriate prevention strategies depend critically on direct, rather than ecologic, evidence.
Asunto(s)
Población Negra , Infecciones por VIH/epidemiología , Control de Enfermedades Transmisibles/métodos , Femenino , Infecciones por VIH/transmisión , Humanos , Masculino , Estados Unidos/epidemiología , Población BlancaRESUMEN
Public health agencies have insufficient resources to trace and refer to medical evaluation the sexual partners of patients with sexually transmitted infections (STI). Only a minority of such patients receives formal sex partner referral services. Hence this responsibility rests, by default, with the diagnosing clinician or with the infected patient. Unfortunately, clinicians do not sufficiently appreciate this public health lacuna, and patients with STI usually perform poorly at notifying partners. Clinician and patient obstacles to successful partner referral are discussed, and brief counselling techniques are suggested. Use of patient-delivered therapy, via medication or prescription (dispensed with appropriate warnings), probably serves to emphasize the urgency and importance of notifying partners. Successful referral to medical attention has been shown to help prevent re-infection of the index patient and to curtail community transmission.
Asunto(s)
Trazado de Contacto/métodos , Parejas Sexuales , Enfermedades de Transmisión Sexual/transmisión , Consejo , Femenino , Humanos , Masculino , Derivación y Consulta , Autoadministración , Enfermedades de Transmisión Sexual/diagnóstico , Enfermedades de Transmisión Sexual/prevención & controlAsunto(s)
Infecciones por VIH/transmisión , Enfermedad Iatrogénica , Femenino , Humanos , Higiene , Inyecciones/efectos adversos , MasculinoRESUMEN
PURPOSE: Remarkable proportions of self-reported virgins and adolescents in eastern and southern Africa are infected with HIV, yet non-sexual routes of transmission have not been systematically investigated in such persons. Many observers in this region have recognized the potential for HIV transmission through unhygienic circumcision procedures. We assessed the relation between male and female circumcision (genital cutting) and prevalent HIV infection in Kenyan, Lesothoan, and Tanzanian virgins and adolescents. METHODS: We analyzed data from recent cross-sectional national probability sample surveys of adolescents and adults in households, focusing on populations in which circumcision was common and usually occurred in puberty or later. RESULTS: Circumcised male and female virgins were substantially more likely to be HIV infected than uncircumcised virgins (Kenyan females: 3.2% vs. 1.4%, odds ratio [OR] = 2.38; Kenyan males: 1.8% vs. 0%, OR undefined; Lesothoan males: 6.1% vs. 1.9%, OR 3.36; Tanzanian males: 2.9% vs. 1.0%, OR 2.99; weighted mean phi correlation = 0.07, 95% confidence interval, 0.03 to 0.11). Among adolescents, regardless of sexual experience, circumcision was just as strongly associated with prevalent HIV infection. However, uncircumcised adults were more likely to be HIV positive than circumcised adults. Self-reported sexual experience was independently related to HIV infection in adolescent Kenyan females, but was unrelated to HIV infection in adolescent Kenyan, Lesothoan, and Tanzanian males. CONCLUSIONS: HIV transmission may occur through circumcision-related blood exposures in eastern and southern Africa.