Introduction 3. The mechanisms of retroviral recombination 3.1. Frequent recombination: the
genetic consequences of packaging two viral RNA copies into one viral particle 3.2 …

The perspective for the development of anti-HIV/AIDS vaccines became a target sought by
several research groups and pharmaceutical companies. However, the complex virus …

HIV-1 has diversified into several subtypes and recombinant forms that are heterogeneously
spread around the world. Understanding the distribution of viral variants and their temporal …

Objective: To investigate the origin and to reconstruct the onset date of the HIV-1 subtype C
epidemic in Brazil. Design: Three independent datasets of subtype C sequences isolated …

Recombination is an important way to generate genetic diversity. Accumulation of HIV-1 full-
length genomes in databases demonstrated that recombination is pervasive in viral strains …

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 …

Surveillance for HIV infection among people at increased risk was conducted in five
countries in South America. Seroprevalence studies were conducted in more than 36,000 …

Human immunodeficiency virus type 1 (HIV-1) BF intersubtype recombinant viruses are
common in Argentina and Uruguay, where CRF12_BF and related recombinants are …

The diverse Brazilian AIDS epidemic has reached small cities and scant molecular
information is available about the epidemic in Northern Brazil, where the incidence is …

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 …