| high prevalence of antibodies to mycoplasma penetrans in human immunodeficiency virus-seronegative and -seropositive populations in brazzaville, congo. | in industrialized countries, the prevalence of antibodies to mycoplasma penetrans is higher among human immunodeficiency virus (hiv)-seropositive homosexuals than other hiv-seropositive and hiv-seronegative groups. in an african heterosexual population, we found a higher prevalence of m. penetrans antibodies in hiv-seronegative blood donors (15.5%) than in france (0.9%) or the united states (0.3%) and a prevalence of 13.4% in hiv-seropositive individuals. hiv-seropositive individuals with less t ... | 1997 | 9384309 |