ArticleRetrovirology2024
HTLV infection in urban population from Mato Grosso do Sul, Central Brazil.
Article in Retrovirology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
3 citing papers in PubMed.
- Prevalence of HTLV-1 and HTLV-2 infection among transgender women in Brazil: A multicenter study.PLoS neglected tropical diseases · 2026Article
- Emergence of West African Human T-Lymphotropic Virus 1aC Subgroup, Brazilian Amazon.Emerging infectious diseases · 2026Article
- Epidemiology and Clinical Outcomes of HTLV-1: A Comprehensive Narrative Review of Endemic and Nonendemic Regions.The Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale · 2026Review
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
backgroundBrazil has the highest number of HTLV-1 infection in Latin America, with around one million cases spread unevenly across regions. However, there is a limited number of studies on this infection in the general population. This cross-sectional study aimed to estimate the prevalence of HTLV as well as identify types, and subtypes of HTLV among the urban population of Campo Grande, capital of Mato Grosso do Sul state (MS).
resultsBetween July 2023 and March 2024, all information was obtained from self-reported interviews, and blood samples were collected and screened for anti-HTLV-1/2 by immunoassay and confirmed using the immunoblot method. The proviral DNA of HTLV-1/2 in positive samples was quantified by real-time PCR (qPCR) and genotyped by nucleotide sequencing (Sanger's method). The study enrolled 611 participants, with the majority being women (90.54%), mixed race (46.32%), heterosexual (87.64%), and with a median age of 39 years. The prevalence rate of anti-HTLV-1 infection was 0.82% (CI 95% 0.34-1.96). All positive samples (n = 5) were identified as belonging to the Cosmopolitan subtype, one belonging to Japanese and four to Transcontinental subgroups. Among the five positive individuals, two presented symptoms associated with HTLV-1 infection.
conclusionThis study highlights an intermediate prevalence of HTLV-1 in the urban population of Campo Grande, Mato Grosso do Sul, and provides epidemiological information that could help bridge the gaps in the distribution of HTLV in the general population. Also, medical care was provided for individuals presenting clinical manifestations who were previously unaware of their serological status.
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