ArticleInfection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases2016
Human T-lymphotropic virus types 1 and 2 are rare among intravenous drug users in Eastern Europe.
Article in Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 10 citations in OpenAlex.
- 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
- Clinical and Public Health Implications of Human T-Lymphotropic Virus Type 1 Infection.Clinical microbiology reviews · 2022Review
- Article
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9 authors at 2 institutions in 2 countries.
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Abstract
backgroundIn Europe, human T-lymphotropic virus (HTLV) type 2 mainly occurs among intravenous drug users (IDUs) with prevalence up to 15% and HTLV-1 among general population with prevalence <1%. However, there is no data regarding the prevalence of HTLV-1 or HTLV-2 in Eastern European IDUs population where HIV prevalence is relatively high. We aimed to determine the prevalence and genotypes of HTLV-1/HTLV-2 among IDUs and healthy volunteers in Estonia.
methodsThe study included 345 IDUs and 138 healthy volunteers. The presence of HTLV-1/HTLV-2 was determined by nested PCR; positive and negative controls were used in every PCR run.
resultsThe analysed IDUs resembled the IDUs of HIV epidemic in Estonia: mainly male (79%) with median age of 30years (interquartile range [IQR] 25-34), and prolonged duration of intravenous drug usage (11years; IQR 7-14). The prevalence exposure to blood-borne viral infections was high - 50% were HIV positive, 88% hepatitis C positive, 67% hepatitis B positive. Of IDUs, 64% reported receptive needle sharing in the past and 18% at least once a month during last six months. None of the IDUs carried HTLV-1 but there was a case of HTLV-2 (prevalence 0.3%; 95% CI 0.1-1.6). All healthy volunteers were HTLV-1 and HTLV-2 PCR negative.
conclusionThis is the first study investigating the prevalence of HTLV-1/HTLV-2 among high risk population and healthy volunteers in Eastern European region. Our results suggest that despite other widely spread blood-borne infections (e.g. HIV, HBV, HCV) HTLV-1 and HTLV-2 are rare among IDUs in Estonia.
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