<?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>1139-7632</journal-id>
<journal-title><![CDATA[Pediatría Atención Primaria]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Pediatr Aten Primaria]]></abbrev-journal-title>
<issn>1139-7632</issn>
<publisher>
<publisher-name><![CDATA[Asociación Española de Pediatría de Atención Primaria]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1139-76322022000100038</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Eficacia y seguridad de las vacunas contra el SARS-CoV-2]]></article-title>
<article-title xml:lang="en"><![CDATA[Efficacy and safety of SARS-CoV-2 vaccines]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esparza Olcina]]></surname>
<given-names><![CDATA[Mª Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fraile Astorga]]></surname>
<given-names><![CDATA[Garazi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juanes de Toledo]]></surname>
<given-names><![CDATA[Blanca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega Páez]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Canela Cáceres]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pediatra  ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,CS Can Rull  ]]></institution>
<addr-line><![CDATA[Sabadell ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,CS Collado Villalba  ]]></institution>
<addr-line><![CDATA[Villalba Madrid]]></addr-line>
<country>España</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Distrito Granada-Metropolitano UGC Góngora ]]></institution>
<addr-line><![CDATA[Granada ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Pediatra  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>24</volume>
<numero>93</numero>
<fpage>e171</fpage>
<lpage>e182</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1139-76322022000100038&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1139-76322022000100038&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1139-76322022000100038&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Ha habido un esfuerzo extraordinario, tanto técnico como económico, para producir vacunas eficaces. Las vacunas de las que existen datos de eficacia son las que han publicado resultados de la fase 3. Se resumen los datos más relevantes de estos ensayos clínicos agrupados por tipo de vacuna. Mientras que los datos de eficacia se obtienen en ensayos clínicos, la efectividad ha de medirse en la vida real, teniendo en cuenta que las vacunas se han empezado a implementar en España el 27 de diciembre de 2020. Las vacunas para prevenir la infección por SARS-CoV-2 parecen seguras y eficaces, con una calidad de la evidencia moderada. En el momento actual se ha vacunado de forma universal a la población adulta (primer grupo en tener evidencias de eficacia y seguridad vacunal) con las vacunas disponibles y según grupos de riesgo establecidos por el Ministerio de Sanidad, posteriormente se han ido incorporando otros grupos como embarazadas y adolescentes, y recientemente se ha incorporado el grupo de escolares entre 5 y 11 años tras la publicación de eficacia y seguridad vacunal en esta franja de edad de una de las vacunas autorizadas en la Unión Europea. A pesar de las limitaciones que presentan los ensayos clínicos, la situación de pandemia actual con gran amenaza para la salud pública y la gran pérdida de vidas que produce la enfermedad por SARS-CoV-2, hace que el balance riesgo beneficio sea favorable a la vacunación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract There has been an extraordinary effort, technical as well as economic to produce effective vaccines. The vaccines with known effectivity data are those that have published phase 3 results. The most relevant data of these clinical trials are resumed here grouped by type of vaccine. While data on effectivity are obtained from clinical trials, the effectiveness must be measured in real life, considering that vaccines have been implemented in Spain since December 27, 2020. The vaccines to prevent SARS-CoV-2 infections seem safe and effective, with a moderate quality of the evidence. Currently, the adult population has been vaccinated (first age group with evidence of effectivity and safety) with the available vaccines and according to risk groups established by the Health Ministry, afterwards other groups have been added such as pregnant women and adolescents, and recently the schoolers 5 to 11 years after the publication of effectivity and safety in this age group of one of the vaccines authorized in the European Union. Despite the limitations of the published clinical trials, the current pandemic situation means a great public health threat and an enormous loss of lives due to SAS-Cov-2, which makes the risk benefit balance favorable to vaccination.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Infección por SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[Niños]]></kwd>
<kwd lng="es"><![CDATA[Vacunación]]></kwd>
<kwd lng="en"><![CDATA[Children]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2 infection]]></kwd>
<kwd lng="en"><![CDATA[Vaccination]]></kwd>
</kwd-group>
</article-meta>
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