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Mariza G. Morgado

Researcher at Oswaldo Cruz Foundation

Publications -  194
Citations -  4674

Mariza G. Morgado is an academic researcher from Oswaldo Cruz Foundation. The author has contributed to research in topics: Population & Viral load. The author has an hindex of 35, co-authored 184 publications receiving 4249 citations.

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Brazilian Network for HIV Drug Resistance Surveillance (HIV-BResNet): a survey of chronically infected individuals.

TL;DR: Brazil has a low prevalence of drug-resistant strains circulating among recently diagnosed individuals, however, there was an increase in these rates compared with similar studies performed with samples collected in Brazil from 1996 to 1998.
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Identification of human immunodeficiency virus type 1 envelope genes recombinant between subtypes B and F in two epidemiologically linked individuals from Brazil.

TL;DR: Phylogenetic analysis, amino acid signature pattern analysis, and the pattern of synonymous mutations all supported the hypothesis of a recombinational origin of the RJIO1 sequence.
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Global and regional molecular epidemiology of HIV-1, 1990–2015: a systematic review, global survey, and trend analysis

Joris Hemelaar, +181 more
TL;DR: The distribution of HIV-1 subtypes and recombinants changed over time in countries, regions, and globally as well as at a global level during 2005-15, where subtype B increased, subtypes A and D were stable, and subtypes C and G and CRF02_AG decreased.
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V3 region polymorphisms in HIV-1 from Brazil: prevalence of subtype B strains divergent from North American/European prototype and detection of subtype F

TL;DR: Brazilian HIV-1 B strains may have important antigenic differences from prototype subtype B strains currently being evaluated for use in HIV vaccines, suggesting that future vaccine programs in Brazil should be taken into account.
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A specific subtype C of human immunodeficiency virus type 1 circulates in Brazil.

TL;DR: Introduction of subtype C of HIV-1 in Brazil was likely a single event of one or a mixture of similarly related strains, and subtype-specific polymorphisms of PR and RT sequences found in this sub type C Brazilian variant might influence this emergence and have an impact on HIV treatment and on vaccine development in the country.