2019
DOI: 10.2147/idr.s204334
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Abstract: Background: Infection with the Human T-cell lymphotropic virus (HTLV) type 1 and 2 is endemic in South America. Although there are reports of the presence of these retroviruses in Ecuador, the infection is usually neglected in healthcare settings and by public health authorities, and no actualized prevalence data are available. Objectives: This cross-sectional study aimed to estimate, using for the first time to our knowledge in Ecuador immunological and molecular biology met… Show more

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Cited by 5 publications
(6 citation statements)
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“…5,7,[18][19][20][21][22] HTLV-1 is commonly found in indigenous peoples of the Pacific Islands (Australia and Melanesia) and the Americas. [23][24][25][26][27] In Latin America, there are more than 400 indigenous groups, ranging from 45 to 50 million individuals. [28][29][30] The 2020 International Work Group for Indigenous Affairs reported Bolivia as the country housing the largest indigenous population in Latin America (48% of the population), followed by Guatemala (43.8%), Mexico (21.5%), Chile (12.8%), and Peru (12.5%).…”
Section: Discussionmentioning
confidence: 99%
“…5,7,[18][19][20][21][22] HTLV-1 is commonly found in indigenous peoples of the Pacific Islands (Australia and Melanesia) and the Americas. [23][24][25][26][27] In Latin America, there are more than 400 indigenous groups, ranging from 45 to 50 million individuals. [28][29][30] The 2020 International Work Group for Indigenous Affairs reported Bolivia as the country housing the largest indigenous population in Latin America (48% of the population), followed by Guatemala (43.8%), Mexico (21.5%), Chile (12.8%), and Peru (12.5%).…”
Section: Discussionmentioning
confidence: 99%
“…A 0.13% HTLV positivity was found in Uruguay, ranging from 0.2% in the North to 0.09% in the South [277]. Those studies that were not based on archival data taken from blood donors reported an HTLV seropositivity of 0.42% in continental Ecuador, 1.57% in the Galapagos Island [252] and 2.4-3.5% for Afro-descendants from the Esmeralda province [250,251], 4.3% HTLV-1 in Bolivia [354] and 0% HTLV positives [276] to 2.5% HTLV-2 in Paraguay [355]. Figure 6 summarizes studies about the HTLV prevalence among LA countries.…”
Section: Htlv Prevalence and Morbidity In Latin Americamentioning
confidence: 99%
“…HTLV-1 infection has been mainly studied in the adult population as the causative agent of T-cell leukemia/lymphoma (ALT) 3,4 and HTLV-1-associated myelopathy/ tropical spastic paraparesis (HAM/TSP) 5 . The prevalence of HTLV-1 infection varies broadly depending on the demographic region, affecting predominately intertropical regions in Africa, Japan, Melanesia, Australia, and South America (Chile, Perú, Brazil, Ecuador and Colombia) [6][7][8] . The Pacific coast of South America is known to have the highest prevalence of HTLV-1 infection, as described in demographic distribution studies in Perú 9 and Colombia 10 , and it further affects afro-descendant and indigenous communities 11,12 .…”
Section: Introductionmentioning
confidence: 99%