<?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>1012-2966</journal-id>
<journal-title><![CDATA[Gaceta Médica Boliviana]]></journal-title>
<abbrev-journal-title><![CDATA[Gac Med Bol]]></abbrev-journal-title>
<issn>1012-2966</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Medicina de la Universidad Mayor de San Simón]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1012-29662022000200153</article-id>
<article-id pub-id-type="doi">10.47993/gmb.v45i2.425</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Epidemiologia molecular del SARS CoV-2, VSR y FLU en niños hospitalizados con infección respiratoria aguda grave]]></article-title>
<article-title xml:lang="en"><![CDATA[Molecular epidemiology of SARS CoV-2, RSV and FLU in children with severe acute respiratory infection]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torrico Villarroel]]></surname>
<given-names><![CDATA[Nattaly Grecia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Copana Olmos]]></surname>
<given-names><![CDATA[Raúl Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torrico Montaño]]></surname>
<given-names><![CDATA[Marcela Veronica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderón Lopez]]></surname>
<given-names><![CDATA[María Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parrado Vargas]]></surname>
<given-names><![CDATA[Rudy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Mayor de San Simón Facultad de Cs. Farmacéuticas y Bioquímicas ]]></institution>
<addr-line><![CDATA[Cochabamba ]]></addr-line>
<country>Bolivia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital del Niño Manuel Ascencio Villarroel Departamento de Infectología Pediátrica ]]></institution>
<addr-line><![CDATA[Cochabamba ]]></addr-line>
<country>Bolivia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Mayor de San Simón Facultad de Medicina Instituto de Investigaciones Biomédicas e Investigación Social IIBISMED]]></institution>
<addr-line><![CDATA[Cochabamba ]]></addr-line>
<country>Bolivia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>45</volume>
<numero>2</numero>
<fpage>153</fpage>
<lpage>159</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_arttext&amp;pid=S1012-29662022000200153&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_abstract&amp;pid=S1012-29662022000200153&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.bo/scielo.php?script=sci_pdf&amp;pid=S1012-29662022000200153&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La Covid-19 en niños puede ocasionar cuadros graves al igual que en adultos, en nuestro medio no se conoce la caracterización de virus respiratorios de relevancia causantes de infección respiratoria aguda grave (IRAG) desde el inicio de la pandemia por Covid-19.  Objetivo: evaluar el comportamiento epidemiológico de SARS CoV-2, VSR y FLU como responsables de IRAG en población internada en el Hospital del Niño Manuel Ascencio Villarroel en Cochabamba.  Métodos: se incluyó a 41 pacientes de hasta 5 años de edad, internados durante junio 2021 a junio 2022. Se empleó la reacción en cadena de la polimerasa (RT-qPCR) para la detección de SARS-CoV-2, VSR y FLU tipo A y B.  Resultados: en el 47,6 % de los pacientes se detectó VSR, en el 42,9 % SARS-CoV-2 y en 9,5 % se detectó coinfección entre SARS CoV-2 y VSR, no se presentó casos de infección por FLU. Se reportó principalmente con el 76,2% fiebre y 61,9 % tos. El 14,3% de los pacientes ingresó a terapia intensiva, 2 pacientes fallecieron, uno presentó coinfección viral SARS CoV-2/ VSR y el otro infección viral simple por SARS CoV-2.  Conclusiones: tras el desconfinamiento después del inicio de la pandemia por Covid-19 se encontró como agentes causantes de IRAG a VSR y SARS CoV-2 con una frecuencia de circulación similar. Las manifestaciones respiratorias son más frecuentes, mostrando en la mayoría estados estables y recuperación favorable. Es necesario una constante vigilancia epidemiológica ante la experiencia vivida por la pandemia por Covid-19.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Covid-19 in children can cause serious cases just like in adults. In our environment, the characterization of respiratory viruses that cause severe acute respiratory infection (SARI) is not known since the beginning of the Covid-19 pandemic.  Objective: to evaluate the epidemiological behavior of SARS CoV-2, RSV and FLU as the cause of SARI in patients admitted to the Manuel Ascencio Villarroel Children's Hospital in Cochabamba.  Methods: 41 patients up to 5 years of age admitted from June 2021 to June 2022 were included. Polymerase chain reaction (RT-qPCR) was used to detect SARS-CoV-2, RSV and FLU type A and B.  Results: RSV was detected in 47.6% of patients, SARS-CoV-2 in 42.9%, and coinfection between SARS CoV-2 and RSV in 9.5%. There were no cases of FLU infection. Fever and cough were reported mainly in 76.2% and 61.9% respectively. 14.3% of patients were admitted to intensive care, two patients died, one with a viral coinfection SARS CoV-2/RSV and the other with simple viral infection by SARS CoV-2.  Conclusions: after the easing of restrictions following the start of the Covid-19 pandemic, RSV and SARS CoV-2 were found to be the agents causing SARI with a similar frequency of circulation. Respiratory manifestations are more frequent, showing mostly stable states and favorable recovery in most cases. Constant epidemiological surveillance is necessary given the experience of the Covid-19 pandemic.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[infección respiratoria aguda]]></kwd>
<kwd lng="es"><![CDATA[virus sincitial respiratorio]]></kwd>
<kwd lng="es"><![CDATA[virus SARS]]></kwd>
<kwd lng="es"><![CDATA[RT-qPCR]]></kwd>
<kwd lng="en"><![CDATA[respiratory tract Infections]]></kwd>
<kwd lng="en"><![CDATA[respiratory syncytial virus]]></kwd>
<kwd lng="en"><![CDATA[SARS virus]]></kwd>
<kwd lng="en"><![CDATA[RT-qPCR]]></kwd>
</kwd-group>
</article-meta>
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