<?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>0036-3634</journal-id>
<journal-title><![CDATA[Salud Pública de México]]></journal-title>
<abbrev-journal-title><![CDATA[Salud pública Méx]]></abbrev-journal-title>
<issn>0036-3634</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud Pública]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0036-36342021000600799</article-id>
<article-id pub-id-type="doi">10.21149/13269</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Prevalence of Covid-19 sequelae in the National Health and Nutrition Survey 2020]]></article-title>
<article-title xml:lang="es"><![CDATA[Secuelas de Covid-19: Encuesta Nacional de Salud y Nutrición 2020]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vidaña-Pérez]]></surname>
<given-names><![CDATA[Dèsirée]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Olmedo]]></surname>
<given-names><![CDATA[Nancy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Morales]]></surname>
<given-names><![CDATA[Romina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Shamah-Levy]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrientos-Gutiérrez]]></surname>
<given-names><![CDATA[Tonatiuh]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Salud Pública Centro de Investigación en Evaluación y Encuestas ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Salud Pública Centro de Investigación en Salud Poblacional ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>Mexico</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>63</volume>
<numero>6</numero>
<fpage>799</fpage>
<lpage>802</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0036-36342021000600799&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0036-36342021000600799&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0036-36342021000600799&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objective:  To estimate the prevalence of Covid-19 sequelae and its association with sociodemographic and medical care characteristics.  Materials and methods:  Mexican adults that experienced Covid-19 symptoms and were seropositive to the N-protein of Sars-CoV-2 in the Ensanut 2020 responded to a question regarding sequelae. Associations were estimated using Poisson regression.  Results:  The prevalence of sequelae was 15.7%, being higher for people with higher education and who were hospitalized or treated at an emergency room during the acute Covid-19 phase.  Conclusions:  Self-reported sequelae associated to Covid-19 was frequent. Covid-19 sequelae could represent an important challenge for the health system and the Mexican society.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo:  Estimar la prevalencia de secuelas para Covid-19 y su asociación con características sociodemográficas y de atención médica.  Material y métodos:  Adultos mexicanos que experimentaron síntomas de Covid-19 y fueron seropositivos a la proteina N del SARS-CoV-2 respondieron una pregunta sobre secuelas. Se estimaron las asociaciones mediante regresión Poisson.  Resultados:  La prevalencia de secuelas fue de 15.7%, siendo mayor en personas con alto nivel educativo y que recibieron atención hospitalaria o de urgencia durante la fase aguda de Covid-19.  Conclusiones:  El autorreporte de secuelas asociadas con Covid-19 fue frecuente. Las secuelas por Covid-19 podrían representar un reto importante para el sistema de salud y la sociedad mexicana.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[sequelae]]></kwd>
<kwd lng="en"><![CDATA[Covid-19]]></kwd>
<kwd lng="en"><![CDATA[national prevalence]]></kwd>
<kwd lng="es"><![CDATA[secuelas]]></kwd>
<kwd lng="es"><![CDATA[Covid-19]]></kwd>
<kwd lng="es"><![CDATA[prevalencia nacional]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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