<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1726-8958</journal-id>
<journal-title><![CDATA[Revista Médica La Paz]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Méd. La Paz]]></abbrev-journal-title>
<issn>1726-8958</issn>
<publisher>
<publisher-name><![CDATA[Colegio Médico de La Paz]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1726-89582025000200009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[MÁS ALLÁ DEL TAMIZAJE SEROLÓGICO: HALLAZGOS DE HTLV I/II EN DONANTES DEL BANCO DE SANGRE MATERNO INFANTIL CNS DE LA PAZ, BOLIVIA]]></article-title>
<article-title xml:lang="en"><![CDATA[BEYOND SEROLOGICAL SCREENING: HTLV I/II FINDINGS IN BLOOD DONORS FROM THE MATERNAL AND CHILD BLOOD BANK OF THE NATIONAL HEALTH FUND (CAJA NACIONAL DE SALUD), IN LA PAZ, BOLIVIA]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez Ramos]]></surname>
<given-names><![CDATA[Mario Aldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz Rosales]]></surname>
<given-names><![CDATA[Norma Karina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tiñini Rojas]]></surname>
<given-names><![CDATA[Ximena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tavera Rivas]]></surname>
<given-names><![CDATA[Daniela Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Plata Troncoso]]></surname>
<given-names><![CDATA[Iveth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cussi Coronel]]></surname>
<given-names><![CDATA[Guiselle Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,CNS Banco de Sangre Materno Infantil ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Bolivia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,CNS Banco de Sangre Materno Infantil ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,CNS Banco de Sangre Materno Infantil ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,CNS Banco de Sangre Materno Infantil ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af5">
<institution><![CDATA[,CNS Banco de Sangre Materno Infantil ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af6">
<institution><![CDATA[,CNS Banco de Sangre Materno Infantil ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>31</volume>
<numero>2</numero>
<fpage>9</fpage>
<lpage>14</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&amp;pid=S1726-89582025000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_abstract&amp;pid=S1726-89582025000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_pdf&amp;pid=S1726-89582025000200009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El virus linfotrópico de células T humanas tipos I y II (HTLV I/II) es un retrovirus perteneciente a la subfamilia de Oncoviridae que, por su patogenicidad puede transmitirse a través de la transfusión de componentes sanguíneos infectados. Se realizó un estudio prospectivo descriptivo de corte transversal, que incluyó a todos los donantes de sangre tamizados para HTLV I/II en el Banco de Sangre Materno Infantil de la Caja Nacional de Salud, ubicado en la ciudad de La Paz, Bolivia, durante el período comprendido entre diciembre de 2023 y agosto de 2024, se analizó un total de 4178 donantes de sangre; identificándose 6 donantes reactivos a HTLV I/II, lo que representa una tasa de reactividad del 0.1435%. Los donantes reactivos comprendieron 3 hombres y 3 mujeres, con edades que oscilaron entre 18 y 56 años. Se observó reactividad en donantes voluntarios y de reposición, abarcando diferentes grupos sanguíneos. Si bien los resultados muestran una tasa baja de reactividad y además de que la información epidemiológica es escasa en Bolivia, particularmente en la ciudad de La Paz, es crucial mantener la vigilancia y realizar pruebas de detección en donantes de sangre para prevenir la transmisión del virus ya que la infección por HTLV I/II representa un riesgo significativo para la seguridad transfusional. Esté estudio tiene como objetivo determinar la frecuencia de donantes reactivos a HTLV I/II en el banco de sangre y analizar las características demográficas y los tipos de donación asociados con la reactividad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Human T-cell lymphotropic virus types I and II (HTLV-I/II) are retroviruses belonging to the Oncovirinae subfamily. Due to their pathogenic potential, they can be transmitted through transfusion of contaminated blood components. A prospective, descriptive, cross-sectional study was conducted, including all blood donors screened for HTLV-I/II at the Maternal and Child Blood Bank of the National Health Fund (Caja Nacional de Salud), located in La Paz, Bolivia, between December 2023 and August 2024. A total of 4,178 blood donors were analyzed, of whom six tested reactive for HTLV-I/II, resulting in a reactivity rate of 0.1435%. These reactive donors included three men and three women, aged between 18 and 56 years. Reactivity was observed among both voluntary and replacement donors, across various blood groups. Although the findings indicate a low reactivity rate and epidemiological data on HTLV in Bolivia, particularly in La Paz, remain limited, it is essential to maintain surveillance and screening practices in blood donation services. HTLV-I/II infection poses a significant risk to transfusion safety and underscores the importance of continued surveillance. This study aims to determine the prevalence of HTLV-I/II reactivity among blood donors and to analyze the associated demographic characteristics and donation types.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Virus Linfotrópico Humano]]></kwd>
<kwd lng="es"><![CDATA[ELISA]]></kwd>
<kwd lng="es"><![CDATA[Banco de Sangre]]></kwd>
<kwd lng="es"><![CDATA[Bolivia]]></kwd>
<kwd lng="en"><![CDATA[Human T-cell lymphotropic virus]]></kwd>
<kwd lng="en"><![CDATA[ELISA]]></kwd>
<kwd lng="en"><![CDATA[blood bank]]></kwd>
<kwd lng="en"><![CDATA[Bolivia]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nunes]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Boa-Sorte]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Grassi]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[GP]]></given-names>
</name>
<name>
<surname><![CDATA[Teixeira]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
<name>
<surname><![CDATA[Barreto]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El HTLV-1 se transmite predominantemente por vía sexual en Salvador, la ciudad con la mayor prevalencia de HTLV-1 en Brasil]]></article-title>
<source><![CDATA[PLoS One.]]></source>
<year>2017</year>
<volume>12</volume>
<numero>2</numero>
<issue>2</issue>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Biglione]]></surname>
<given-names><![CDATA[Mirna Marcela]]></given-names>
</name>
<name>
<surname><![CDATA[Berini]]></surname>
<given-names><![CDATA[Carolina Andrea]]></given-names>
</name>
<name>
<surname><![CDATA[Eirin]]></surname>
<given-names><![CDATA[María Emilia]]></given-names>
</name>
<name>
<surname><![CDATA[Blejer]]></surname>
<given-names><![CDATA[Jorgelina L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gioseffi]]></surname>
<given-names><![CDATA[Alejandro Gustavo]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pautas para el diagnóstico, notificación y asesoramiento de la infección por el Virus Linfotrópico T-Humano tipo 1 y 2 (HTLV-1/2) en Argentina; Sociedad Argentina de Hematología]]></article-title>
<source><![CDATA[Revista Argentina de Transfusión]]></source>
<year>2009</year>
<volume>XXXI</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>2116-22</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rocha Brun]]></surname>
<given-names><![CDATA[Rose Mary]]></given-names>
</name>
<name>
<surname><![CDATA[Mollinedo Pérez]]></surname>
<given-names><![CDATA[Elvin]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El Virus Linfotrópico HTLV-1: Un problema emergente en Bolivia]]></article-title>
<source><![CDATA[Cuad. -Hosp. Clín.]]></source>
<year>2009</year>
<volume>54</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>53-9</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="">
<collab>PROGRAMA NACIONAL DE SANGRE MINISTERIO DE SALUD Y DEPORTES</collab>
<source><![CDATA[ESTÁNDARES DE TRABAJO PARA SERVICIOS DE SANGRE (2003) LA PAZ: PROGRAMA NACIONAL DE SANGRE MINISTERIO DE SALUD Y DEPORTES Resolución Ministerial: 0029 del 27 enero 2003 Año de Edición: 2003 Número de Páginas: 17 Depósito Legal: 4-1-24-04 Publicación: ISBN: I. S. B. N 99905-0-472-5]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Malan]]></surname>
<given-names><![CDATA[Richard]]></given-names>
</name>
<name>
<surname><![CDATA[Berini]]></surname>
<given-names><![CDATA[Carolina A.]]></given-names>
</name>
<name>
<surname><![CDATA[Eirin]]></surname>
<given-names><![CDATA[María E.]]></given-names>
</name>
<name>
<surname><![CDATA[Delfino]]></surname>
<given-names><![CDATA[Cecilia M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pedrozo]]></surname>
<given-names><![CDATA[Williams]]></given-names>
</name>
<name>
<surname><![CDATA[Krupp]]></surname>
<given-names><![CDATA[Ramón]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seroprevalencia de HTLV-1/2 en donantes de sangre de la provincia de Misiones]]></article-title>
<source><![CDATA[Medicina (B. Aires)]]></source>
<year>2010</year>
<volume>70</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>71-4</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fujiyoshi]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[HC]]></given-names>
</name>
<name>
<surname><![CDATA[Lou]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Yashiki]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Karino]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Zaninovic]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Characteristic distribution of HTLV type I and HTLV type II carriers among native ethnic groups in South America]]></article-title>
<source><![CDATA[AIDS Res Hum Retroviruses]]></source>
<year>1999</year>
<volume>15</volume>
<numero>14</numero>
<issue>14</issue>
<page-range>1235-9</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gotuzzo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk of transfusion-transmitted human T-cell lymphotropic virus-type I in Latin America]]></article-title>
<source><![CDATA[Int J Infect Dis]]></source>
<year>2000</year>
<volume>4</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>59-61</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Real Delor]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<name>
<surname><![CDATA[Moral]]></surname>
<given-names><![CDATA[Aracelli]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[Lis]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[PREVALENCIA DE VIRUS LINFOTRÓPICO HUMANO EN DONANTES DE SANGRE DEL HOSPITAL NACIONAL, PARAGUAY]]></article-title>
<source><![CDATA[Rev. Méd. La Paz]]></source>
<year>2016</year>
<volume>22</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>5-12</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arandia Doria Medina]]></surname>
<given-names><![CDATA[Maria Teresa]]></given-names>
</name>
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[Ronald]]></given-names>
</name>
<name>
<surname><![CDATA[Hurtado]]></surname>
<given-names><![CDATA[Luisa Valentina]]></given-names>
</name>
</person-group>
<source><![CDATA[PREVALENCIA DE ANTICUERPOS ANTI &#8211; HTLV-1 EN HEMODONANTES DEL PROGRAMA NACIONAL DE SANGRE EN LAS CIUDADES DE SANTA CRUZ, COCHABAMBA, SUCRE, EL ALTO, POTOSÍ Y ORURO DURANTE EL MES DE AGOSTO 2005]]></source>
<year>2010</year>
<publisher-name><![CDATA[Universidad Mayor de San Andrés]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chávez Ramos]]></surname>
<given-names><![CDATA[Mario Aldo]]></given-names>
</name>
<name>
<surname><![CDATA[Ortuño Morales]]></surname>
<given-names><![CDATA[Miriam Deersha]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de la problemática resultante de los tipos de donación de sangre, producida en el Banco de Sangre de la Seguridad Social en La Paz durante la gestión 2020]]></article-title>
<source><![CDATA[Rev.Cs.Farm. y Bioq]]></source>
<year>2022</year>
<volume>10</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>25-38</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lorenzana de Rivera]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Vinelli de Rivera]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Parham Aceituno]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalencia de HTLV-I/HTLV-II en donantes de sangre de la Cruz Roja Hondureña, determinado por PCR / Prevalence of HTLV-I and HTLV in Honduran Red Cross blood donors, determined by PCR]]></article-title>
<source><![CDATA[Rev méd hondur]]></source>
<year>2004</year>
<volume>72</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>3-9</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fuentes]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Leiva]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evolución de los marcadores serológicos del virus linfotrópico HTLV-I-II, en los bancos de sangre]]></article-title>
<source><![CDATA[Anales de la Facultad de Medicina]]></source>
<year>2012</year>
<volume>1</volume>
<numero>73</numero>
<issue>73</issue>
<page-range>S44</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lira]]></surname>
<given-names><![CDATA[SMC]]></given-names>
</name>
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[ID]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[EC]]></given-names>
</name>
<name>
<surname><![CDATA[Benati]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Akil]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Vieira]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
<name>
<surname><![CDATA[Dalmazzo]]></surname>
<given-names><![CDATA[LFF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[ÍNDICE DE DESCARTE SOROLOGICO EM DOADORES DE SANGUE DO BANCO DE SANGUE BRASÍLIA DO GRUPO GSH]]></article-title>
<source><![CDATA[Hematology, Transfusion and Cell Therapy]]></source>
<year>2022</year>
<volume>44</volume>
<numero>Supplement 2</numero>
<issue>Supplement 2</issue>
<page-range>S388-9</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Amaru]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Patón]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Quispe]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Murillo]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[INFECCIÓN POR VIRUS LINFOTRÓPICO DE CÉLULAS T HUMANAS TIPOS I Y II (HTLV - I/II) EN DONANTES DEL BANCO DE SANGRE]]></article-title>
<source><![CDATA[Revista Médica Científica N° 3]]></source>
<year>2014</year>
<page-range>31-4</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
