ArticleFrontiers in microbiology2019
Evidence of New Endemic Clusters of Human T-Cell Leukemia Virus (HTLV) Infection in Bahia, Brazil.
Article in Frontiers in microbiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 34 citations in OpenAlex.
- Prevalence of human T-cell leukemia virus type 1 associated inflammatory myopathies (HAIM) in Salvador, Brazil.PLoS neglected tropical diseases · 2025Article
- Observational
- Evaluation of QuantiFERON-TB Gold for the Diagnosis ofViruses · 2024Article
- HTLV infection in urban population from Mato Grosso do Sul, Central Brazil.Retrovirology · 2024Article
- Imbalanced IL10/TGF-β production by regulatory T-lymphocytes in patients with HTLV-1-associated myelopathy/ tropical spastic paraparesis.BMC infectious diseases · 2024Article
- Epidemiological and molecular evidence of intrafamilial transmission through sexual and vertical routes in Bahia, the state with the highest prevalence of HTLV-1 in Brazil.PLoS neglected tropical diseases · 2023Article
- Impaired flexibility in patients with tropical spastic paraparesis/HTLV-associated myelopathy: evaluation via pendulum fleximeter.Arquivos de neuro-psiquiatria · 2023Article
- Oral health and quality of life of people living with human T-cell leukemia virus-1 in Salvador, Brazil: a cross-sectional study.Clinical oral investigations · 2022Article
- Performance of ChimericFrontiers in medicine · 2022Article
- Integrative and Multidisciplinary Care for People Living With Human T-Cell Lymphotropic Virus in Bahia, Brazil: 20 Years of Experience.Frontiers in medicine · 2022Article
- Work ability and associated factors in people living with human T-cell leukemia virus type 1.Revista da Sociedade Brasileira de Medicina Tropical · 2022Article
- Real-World Data on Adult T-Cell Leukemia/Lymphoma in Latin America: A Study From the Grupo de Estudio Latinoamericano de Linfoproliferativos.JCO global oncology · 2021Article
- Distribution of Human Immunodeficiency Virus and Human T-Leukemia Virus Co-infection in Bahia, Brazil.Frontiers in medicine · 2021Article
- Evaluation of the Inflammatory Cytokines and IL-10 Network in Individuals Co-infected With Human T-Cell Lymphotropic Virus and Hepatitis C Virus (HTLV/HCV).Frontiers in microbiology · 2021Article
- Challenges in establishing telehealth care during the COVID-19 pandemic in a neglected HTLV-1-infected population in northeastern Brazil.PLoS neglected tropical diseases · 2020Article
- Case Report: An Uncommon Clinical Case of Fatal Adult T-Cell Leukemia/Lymphoma Associated with HTLV-1 and Suspected due to Cutaneous Lesions and Epidemiologic Data.The American journal of tropical medicine and hygiene · 2020Article
- HTLV screening of blood donors using chemiluminescence immunoassay in three major provincial blood centers of China.BMC infectious diseases · 2020Article
- Review
- HTLV in South America: Origins of a silent ancient human infection.Virus evolution · 2020Article
- The challenge of describing the epidemiology of HTLV in the Amazon region of Brazil.Retrovirology · 2020Review
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSalvador, Bahia (northeastern Brazil), has been identified as the epicenter of Human T-cell leukemia virus Human T-cell leukemia virus (HTLV) type 1 infection in the country. This study aims to estimate the rate of HTLV infection and the geographical distribution of this virus in this state.
methodsAll HTLV tests (chemiluminescence/ELISA assays/Western Blotting) performed in the Central Laboratory of Public Health of Bahia (LACEN) from 2004 to 2013 were included. Data was extracted from LACEN's database using high volume extract, transformation and load throughput. Infection rate was expressed as the number of infected individuals per 100,000 inhabitants considering municipalities grouped in microregions and/or mesoregions as the unit of analysis.
resultsA total of 233,876 individuals were evaluated. Individuals were from 394 out of 417 municipalities of Bahia (94.5%). HTLV chemiluminescence/ELISA assay was found to be reactive for 3,138 individuals from whom 2,323 had WB results (1,978 positives, 62 negative and 282 indeterminate). Out of 1978 reactive samples, 1,813 (91.7%) were positive for HTLV-1, 58 (2.9%) for HTLV-2 and 107 (5.4%) were for both HTLV-1 and HTLV-2. The cumulative mean rate of HTLV-positive cases in Bahia was 14.4 per 100,000 inhabitants. Three microregions presented rates >20 HTLV-positive cases/100,000 inhabitants: Barreiras (24.83 cases per 100,000 inhabitants), Salvador (22.90 cases per 100,000 inhabitants), and Ilhéus-Itabuna (22.60 cases per 100,000 inhabitants).
conclusionHTLV infection is disseminated in the state of Bahia, with an overall moderate rate of infection. Further studies should be conducted to characterize the epidemiological and clinical profile of HTLV-infected individuals better and to propose effective prevention measures.
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