Emerging infectious diseases, most of which are considered zoonotic in origin, continue to
exact a significant toll on society. The origins of major human infectious diseases are …

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 …

HIV-1 group M subtype B was the first HIV discovered and is the predominant variant of
AIDS virus in most countries outside of sub-Saharan Africa. However, the circumstances of …

The reconstruction of the epidemic history of several HIV populations, by using methods that
infer the population history from sampled gene sequence data, has revealed important …

Hepatitis C virus (HCV) infection in Cameroon is characterized by widespread seropositivity
and great virus genetic diversity (3 genotypes and over 10 subtypes). A total of 244 HCV …

ABSTRACT A human immunodeficiency virus (HIV)-preventive vaccine will likely need to
induce broad immunity that can recognize antigens expressed within circulating strains. To …

To elucidate the mechanisms underlying cross-clade T-cell reactivity, we evaluated
responses to Gag peptides based on clades A, B, C, and M-group sequences at the epitope …

HIV-1 subtype F1 in South America is mainly found as part of diverse BF1 recombinant forms
and only five full-length “pure” F1 strains from Brazil were characterized to date. In the …

As part of an ongoing study on the features of AIDS spread towards small cities and rural
areas, we present a molecular survey of human immunodeficiency virus type 1 (HIV-1) …

It has been postulated that the non-synonymous divergence (distance to the subtype
consensus sequence) observed in several HIV-1 subtype populations during 1990s attained …