<?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>0121-0807</journal-id>
<journal-title><![CDATA[Revista de la Universidad Industrial de Santander. Salud]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Univ. Ind. Santander. Salud]]></abbrev-journal-title>
<issn>0121-0807</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-08072021000100501</article-id>
<article-id pub-id-type="doi">10.18273/saluduis.53.e:21023</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Variantes Alpha y Gamma del SARS-CoV-2: revisión rápida para contribuir en la toma de decisiones]]></article-title>
<article-title xml:lang="en"><![CDATA[Alpha and Gamma variants of SARS-CoV-2: rapid review to aid decision-making]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Sandoval]]></surname>
<given-names><![CDATA[Gina Alexandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Jiménez]]></surname>
<given-names><![CDATA[Diana Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hilarión-Gaitán]]></surname>
<given-names><![CDATA[Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado-Maldonado]]></surname>
<given-names><![CDATA[Lorena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hurtado-Obregón]]></surname>
<given-names><![CDATA[Kristel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvis-Zakzuk]]></surname>
<given-names><![CDATA[Nelson]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camerano-Ruíz]]></surname>
<given-names><![CDATA[Rosana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pineda-Lozano]]></surname>
<given-names><![CDATA[Jean Carlo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chaparro-Narváez]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castañeda-Orjuela]]></surname>
<given-names><![CDATA[Carlos Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A10">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>53</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-08072021000100501&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-08072021000100501&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-08072021000100501&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Describir el riesgo de transmisión y severidad de las variantes de preocupación Alpha y Gamma del SARS-CoV-2 en comparación con otras variantes.  Materiales y métodos: Revisión rápida y narrativa de literatura realizada en PubMed hasta mayo 10 de 2021.  Resultados: La búsqueda capturó 262 artículos, de los cuales se incluyeron 15 estudios. Cuatro fueron incluidos en el control de referencias. De los 19 estudios, 6 corresponden con literatura gris. La mayoría de los estudios analizaron la variante de preocupación Alpha, solo uno para Gamma. La variante de preocupación Alpha es consistente con mayor riesgo de transmisión (entre el 35 y 89 % mayor riesgo), de hospitalización (entre 64 y 234 % mayor riesgo) y de muerte (entre 36 y 140 % mayor riesgo) en comparación con otras variantes. La variante de preocupación Gamma reporta una posible correlación fuerte y positiva entre proporción positivos y las muertes (Rho 0,71; p &lt;0,01).  Conclusiones: Se encuentra más información de la variante de preocupación Alpha que de Gamma. La variante de preocupación Alpha reporta mayor riesgo de transmisión, hospitalización y muerte en comparación con otras variantes; pero estos resultados deben tomarse con precaución.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To describe the transmission and severity risk of the Alpha and Gamma variants concerning SARS-CoV-2 compared with other variants.  Materials and methods: Narrative and rapid review conducted in PubMed up to May 10, 2021.  Results: The search captured 262 articles, of which 15 studies were included. Four studies were included from the reference control. Six out of the 19 studies were gray literature. Most of the studies analyzed the variant of concern, Alpha, and only one for the Gamma variant. The variant of concern, Alpha, is consistent with a higher risk of transmission (between 35 and 89% higher risk), hospitalization (between 64 and 234% higher risk) and death (between 36 and 140% higher risk) compared to other variants. The Gamma variant reports a possible strong and positive correlation between positive proportions and deaths (Rho 0.71; p &lt;0.01).  Conclusions: There is more information regarding the variant of concern Alpha than Gamma. The variant of concern Alpha reports a higher risk of transmission, hospitalization, and death; but these results should be viewed with caution.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Coronavirus]]></kwd>
<kwd lng="es"><![CDATA[Infecciones por Coronavirus]]></kwd>
<kwd lng="es"><![CDATA[Transmisión]]></kwd>
<kwd lng="es"><![CDATA[Hospitalización]]></kwd>
<kwd lng="es"><![CDATA[Cuidados Críticos]]></kwd>
<kwd lng="es"><![CDATA[Mortalidad]]></kwd>
<kwd lng="en"><![CDATA[Coronavirus]]></kwd>
<kwd lng="en"><![CDATA[Coronavirus Infections]]></kwd>
<kwd lng="en"><![CDATA[Transmission]]></kwd>
<kwd lng="en"><![CDATA[Hospitalization]]></kwd>
<kwd lng="en"><![CDATA[Critical Care]]></kwd>
<kwd lng="en"><![CDATA[Mortality]]></kwd>
</kwd-group>
</article-meta>
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