• Publications
  • Influence
Tropism of dengue virus in mice and humans defined by viral nonstructural protein 3-specific immunostaining.
Previous attempts to define dengue virus (DENV) tropism in human autopsy tissues have detected DENV antigens that are abundant in circulation during severe dengue, and thus may be present inExpand
  • 202
  • 11
Prevalences, Genotypes, and Risk Factors for HIV Transmission in South America
HIV cross-sectional studies were conducted among high-risk populations in 9 countries of South America. Enzyme-linked immunosorbent assay screening and Western blot confirmatory testing wereExpand
  • 91
  • 6
  • PDF
Emerging genetic diversity of HIV-1 in South America
ObjectiveGenotype determination and risk group analysis of HIV-1 infected individuals in selected regions of South America. DesignCross-sectional convenience sampling of HIV-1-positive individuals inExpand
  • 53
  • 1
Circulating recombinant form CRF02_AG in South America.
With the objective of monitoring the distribution of HIV-1 subtypes and circulating recombinant forms (CRFs)in South America, population-based surveillance studies were performed in seven countries.Expand
  • 33
  • 1
Molecular epidemiology of dengue virus type 3 in Northern South America: 2000--2005.
A phylogenetic approach was used to identify genetic variants of DENV-3 subtype III that may have emerged during or after its expansion throughout South America. We sequenced the capsid,Expand
  • 42
  • 1
Identification of hitherto unrecognized arboviruses from Ecuador: members of serogroups B, C, Bunyamwera, Patois, and Minatitlan.
Three hundred seventy-nine virus isolates were obtained from mosquitoes collected and sentinel hamsters exposed in coastal Ecuador from 1974 to 1978. These included four alphaviruses [VenezuelanExpand
  • 20
  • 1
Phylogenetic analysis of the NS5 gene of dengue viruses isolated in Ecuador.
Dengue virus (DENV) is a member of the genus Flavivirus of the family Flaviviridae. DENV causes a wide range of diseases in humans, from the acute febrile illness dengue fever (DF) toExpand
  • 16