ArticleViruses2022
HTLV-1/2 in Indigenous Peoples of the Brazilian Amazon: Seroprevalence, Molecular Characterization and Sociobehavioral Factors Related to Risk of Infection.
Article in Viruses, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.
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Who cites it
16 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.
- The Global Prevalence of HTLV-1 and HTLV-2 Infections among Immigrants and Refugees-A Systematic Review and Meta-Analysis.Viruses · 2024Pooled it
- Low Prevalence of Human T-Cell Lymphotropic Virus Type 1 (HTLV-1) in a Hospital Triage Population in Tehran During 2024-2025.Health science reports · 2026Article
- Prevalence of Human T-Lymphotropic Viruses 1 and 2 in Individuals Infected with Hepatitis C Virus in Belém do Pará, Brazil.Tropical medicine and infectious disease · 2026Article
- Observational
- Article
- High Rate of Human T-Cell Lymphotropic Virus-2 in Patients with HIV in the Peruvian Amazon.Tropical medicine and infectious disease · 2025Article
- High prevalence of simian foamy virus infection of South American Indians.PLoS pathogens · 2025Article
- Observational
- Review
- Multicenter cross-sectional study of HTLV-1 prevalence and associated risk factors in epidemiologically relevant groups across Brazil.Frontiers in public health · 2025Article
- HTLV infection in urban population from Mato Grosso do Sul, Central Brazil.Retrovirology · 2024Article
- Article
- Human T-lymphotropic virus 1/2 infection among prisoners of a major penitentiary complex of Goiás State, Central-West Brazil.Frontiers in public health · 2024Article
- Fibromyalgia in patients infected with HTLV-1 and HTLV-2.Frontiers in medicine · 2024Article
- Long-term prevalence follow-up (1967-2022) of HTLV-2 among vulnerable indigenous populations in the Amazon region of Brazil.Frontiers in microbiology · 2023Article
- Molecular characterization of Human T-cell Lymphotropic Viruses 1 and 2 (HTLV-1 and HTLV-2) in samples from blood donation candidates in the state of Pará, Brazilian Amazon.The Brazilian journal of infectious diseases : an official publication of the Brazilian Society of Infectious DiseasesArticle
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Authors and funding
18 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
HTLV-1/2 infection is endemic in Indigenous peoples of the Americas. Its origin is attributed to the migratory flow of Amerindian ancestral peoples. The present study aimed to investigate the seroprevalence of HTLV-1/2 infection in Indigenous peoples of the Brazilian Amazon. A total of 3350 Indigenous people belonging to 15 communities were investigated. The investigation was performed using serological (ELISA), molecular (qPCR) and confirmatory (Western blot and/or Inno-Lia) tests to detect and differentiate the infection. The seroprevalence was 8.3% for HTLV-1/2 infection, with 0.1% of individuals seropositive for HTLV-1 and 8.1% for HTLV-2. The prevalence of infection was statistically higher in women (10.1%) than in men (6.5%) (p = 0.0002). This female predominance was observed in all age groups; in females the prevalence was significant from 41 years old (p < 0.0001) and in males from 51 years old (p < 0.0001). Here, we present a prevalence of HTLV-1/2 among Indigenous peoples of the Brazilian Amazon. The endemic infection in these groups must reflect the different epidemiological profiles observed in these peoples, such as sexual transmission through rejection of condom use, breastfeeding, especially in cases of cross-breastfeeding, and the high rate of pregnancy in the villages.
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