Síndrome de Inmunodeficiencia Adquirida/transmisión; Trabajo Sexual; Síndrome de Inmunodeficiencia Adquirida/epidemiología; Síndrome de Inmunodeficiencia Adquirida/inmunología; Enfermedad Aguda; Adulto; Circuncisión Masculina; Estudios de Cohortes; Susceptibilidad a Enfermedades; Femenino; Enfermedades de los Genitales Masculinos/complicaciones; Anticuerpos Anti-VIH/análisis; Seropositividad para VIH/inmunología; Humanos; Kenia; Masculino; Estudios Prospectivos; Análisis de Regresión; Factores de Riesgo; Factores Sexuales; Úlcera/complicaciones

Acquired Immunodeficiency Syndrome--transmission; Africa; Africa South Of The Sahara; Behavior; Biology; Cohort Analysis; Data Analysis; Demographic Factors; Developing Countries; Diseases; Eastern Africa; English Speaking Africa; Epidemiologic Methods; Examinations And Diagnoses; Genital Effects, Female; Genital Effects, Male; Genitalia; Genitalia, Female; Genitalia, Male; Heterosexuals; Hiv Infections--transmission; Hiv Infections--women; Hiv Serodiagnosis; Incidence; Infections; Kenya; Laboratory Examinations And Diagnoses; Male Circumcision; Measurement; Multiple Partners; Physiology; Population; Population At Risk; Population Characteristics; Prospective Studies; Prostitutes; Reproductive Tract Infections; Research Methodology; Risk Factors; Sex Behavior; Sex Factors; Sexual Partners; Sexually Transmitted Diseases--women; Statistical Regression; Statistical Studies; Studies; Urogenital System; Viral Diseases