"But the category of exposure also has to respect identity": MSM, classifications and disputes in AIDS policy.

This essay explores the relationship between diversity and public health by addressing tensions related to classifications and recognition in the field of HIV and AIDS policy. The objective is to reflect on how classificatory and operative categories are articulated within the scope of programmatic responses towards the social production of differences and inequalities. To do so it draws from the theoretical framework of studies on vulnerability and recognition and from a methodology that includes a critical review of the literature on the category men who have sex with men (MSM) and ethnographic material, derived from the authors' research and a literature review related to social movements, and research and policies focused on lesbians, gays, bisexuals, transvestites and transsexuals (LGBT).

Gender and sexual rights: their implications on health and healthcare.

This article is an objective examination of aspects of gender and sexual rights, and their implications in the field of health field, using the methodology of an essay. The first part discusses femicide, highlighting that there are deaths of women due to the fact of being women, which constitute what could be described as the crimes of lèse-humanité or 'femi-genocide'. The second part discusses sexual and gender diversity, with an emphasis on the fragility of the 'right to have rights' expressed in the deterioration in health conditions of the population that is LGBTI (Lesbians, Gays, Bisexuals, Transvestites, Transsexuals and Intersex).

High HIV Prevalence among Men who have Sex with Men in a Time-Location Sampling Survey, São Paulo, Brazil.

We conducted a time-location sampling sero-behavioral surveillance survey of men who have sex with men (MSM) in São Paulo, Brazil, the largest city in Latin America and the Southern Hemisphere (N = 1,217 interviewed with serological results for 771). HIV prevalence was 15.4 % (95 % CI 11.

[Access to sexual health care for women who have sex with women in São Paulo, Brazil].

This article focuses on the relationship between health care for women who have sex with women and representations of gender, sexuality, and the body. The study used ethnographic observation and in-depth interviews held from 2003 to 2006, with 30 women ranging from 18 to 45 years of age, belonging to different social segments, backgrounds, and sexual identities, living in Greater Metropolitan São Paulo. Analysis of the material pointed to greater difficulty in accessing gynecological care for lower-income women, those who had never had sex with men, or those with masculine body language.

[HIV infection, hepatitis B and C and syphilis in homeless people, in the city of São Paulo, Brazil].

Objective: To estimate the prevalence of HIV infections, as well as hepatitis B and C and syphilis viruses in homeless people.

Methods: Cross-sectional study with educational intervention, conducted in the city of São Paulo, between 2002 and 2003. A convenience sample of homeless people who used night shelters was selected, according to the following criteria: aged 18 or older and not showing psychiatric disturbances.