Seropositivity to Chlamydia trachomatis in prostitutes: relationship to other sexually transmitted disease (STDs)

The prevalence of Chlamydia trachomatis and its relationship with other sexually transmitted diseases (STDs) was investigated by serological determinations in a group of 45 women working as prostitutes in Santos, State of Säo Paulo. Seropositivity to HIV-1 was demostrated in 4(9%) of the cases and to HIV-2 in one case. Syphilis and hepatitis B were detected in 29% and 43% of the 45 women, respectively. Specific antibodies to C. trachomatis were found in all subjects. The high seroprevalence of human immunodeficiency virus (HIV), hepatitis B virus (HBV), syphilis and C. trachomatis in this population was related to predisposing factors such as number contacts, sexual practices, drug use and episodes of sexually transmited dieases (STDs)

Neutropenia in an infant: possible autoimmune etiology

The present study was undertaken to determine if the serum of a child with severe neutropenia contained antibodies against parental neutrophils. The presence of IgG antibodies to granulocytes from both parents was demonstrated using the indirect immunofluorecence technique. These data suggest an auatoimmune etiology for the neutropenia of this patient

Primary immunodeficiency diseases: a presentation of 6 cases

The peripheral blood leukocytes of 6 children with clinical data suggestive of primary cellular immunodeficiencies were studied in an attempt the cellular basis of these disorders. The phenotype and function of T and B cells were investigated. According to the clinical and laboratory fetures, the patients were classified as one case of severe combined immunodeficiency (SCID), two of ataxia-telangiectasia (AT), one of Wiskott-Aldrich syndrome (WAAS), one of /edi%george syndrome (DSG), and one of cellular immunodeficiency (CID). The laboratory investigations together with the clinical manifestations permitted a diagnosis of primary immunodeficiency diseases