The devastating consequences of AIDS pandemic will probably only be controlled when a
vaccine is developed that is safe, effective, affordable, and simple enough to permit …

The HIV-1 has evolved swiftly and the scenario of HIV-1 genetic diversity is constantly
changing. In South America, recombinant forms of subtypes B, F1, and BF1 have historically …

Objectives: To describe the molecular and epidemiological profile of HIV-1 in patients
followed at the University Hospital of Rio Grande, Brazil. Design and methods: A cross …

Objective: To identify a new circulating recombinant form (CRF) of HIV-1 comprising two
circulating subtypes in the southern region in Brazil, subtypes B and C. Methods: A total of …

Background Trichomoniasis is the most prevalent non-viral sexually transmitted disease
(STD) in the world; however, it remains a neglected parasitic disease. This study aimed to …

Individuals infected with human immunodeficiency virus type 1 (HIV-1) subtype C
infrequently harbour X4 viruses. We studied R5 and X4 biological clones generated from …

The molecular epidemiology of HIV-1 strains circulating in Belem-PA and Macapa-AP, in the
Northern region of Brazil, is described using sequences of the C2V3 segment of the env and …

HIV-1 B is predominant in Brazil, but HIV-1 C has increasingly been reported in the south of
the country. However, many samples clustering with clade C are actually a recombinant …

The aim of this study was to determine the rate and risk factors of HIV-1 mother-to-child
transmission (MTCT), the timing of transmission and the transmitted subtype in a population …

Different human immunodeficiency virus type 1 (HIV-1) subtypes may have distinct
biological, immunological and pathogenic properties. Efficiency of mother-to-child …