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Gaceta Médica Boliviana

Print version ISSN 1012-2966On-line version ISSN 2227-3662


BALDOMAR MANZUR, Carolina; SUAREZ BARRIENTOS, Eduardo; MANZUR SORIA, Rosario  and  CORDOVA ROJAS, Marisol. Vertical transmission of human lymphotropic virusat the Hospital del Niño Manuel Ascensio Villarroel the Cochabamba exploratory study. Gac Med Bol [online]. 2023, vol.46, n.2, pp.58-62.  Epub Dec 01, 2023. ISSN 1012-2966.

The human T-cell lymphotropic virus type I and II (HTLV) are retroviruses that are distributed worldwide, are characterized by the infection of TCD4+ cells and are associated with two types of important diseases such as adult T-cell leukemia/lymphoma (ATLL) and the neurological disease, tropical spastic paraparesis (TSP) or myelopathy. One of the main routes of transmission is the so-called vertical transmission, from mother to child through breastfeeding, whose transmission rate is 5.7 to 35.5%.


to explore the vertical transmission of the HTLV Virus in children from 8 months to 6 years of age, who were treated at the Manuel Ascencio Villarroel Children's Hospital, in the period 2020 -2021.


quantitative, cross-sectional, descriptive, exploratory study.


of the 67 patients studied, a large part has Quechua ethnic origin, coming from the rural area. Clinically, they present a preserved eutrophic nutritional status (n=55), with an average of 17.2 months of breastfeeding. Of the total number of patients, one tested positive for HTLV by the ELISA technique, which corresponds to 1.5% of the patients studied.


this exploratory study basically demonstrates that this virus is circulating in our environment, in 1.5% of the sample studied, which makes it necessary to deepen the study with a greater number of samples.

Keywords : HTLV; prevalence; epidemiology.

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