<?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>0864-0300</journal-id>
<journal-title><![CDATA[Revista Cubana de Investigaciones Biomédicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Invest Bioméd]]></abbrev-journal-title>
<issn>0864-0300</issn>
<publisher>
<publisher-name><![CDATA[ECIMED]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03002021000300002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características clínico-epidemiológicas de pacientes cubanos residentes en La Habana afectados por la COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical-epidemiological characteristics of patients affected by COVID-19 residing in Havana]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roblejo Balbuena]]></surname>
<given-names><![CDATA[Hilda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benítez Cordero]]></surname>
<given-names><![CDATA[Yudelkis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez Gavilán]]></surname>
<given-names><![CDATA[Yudelmis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bravo Ramírez]]></surname>
<given-names><![CDATA[Maidalys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira Roche]]></surname>
<given-names><![CDATA[Nayade]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Gómez]]></surname>
<given-names><![CDATA[Dayana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sotomayor Lugo]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monzón Benítez]]></surname>
<given-names><![CDATA[Giselle]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zúñiga Rosales]]></surname>
<given-names><![CDATA[Yaíma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero Carrazana]]></surname>
<given-names><![CDATA[Roberto Yaniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales Peralta]]></surname>
<given-names><![CDATA[Estela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva Ayçaguer]]></surname>
<given-names><![CDATA[Luis Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marcheco Teruel]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Nacional de Genética Médica  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Dirección Nacional de Vigilancia en Salud  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana Facultad &#8220;10 de Octubre&#8221; ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Escuela Nacional de Salud Pública  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>40</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03002021000300002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03002021000300002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03002021000300002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La Habana fue el territorio más complejo a nivel nacional en el enfrentamiento al primer brote de la COVID-19. Su condición de capital, la densidad poblacional, la escasa delimitación geográfica entre sus municipios, el elevado flujo intermunicipal e interprovincial de personas, sumado a que es la provincia que mayor número de viajeros recibe procedentes del extranjero, confirieron a este territorio particularidades en el enfrentamiento a la pandemia.  Objetivo: Determinar las principales características clínico-epidemiológicas de pacientes cubanos residentes en La Habana afectados por la COVID-19.  Métodos: Se realizó un estudio observacional, analítico, de corte transversal. La muestra quedó formada por 431 pacientes, mayores de un año, de alta epidemiológica de la infección por SARS-CoV-2. Para la recolección de información se aplicó un cuestionario a través de una entrevista.  Resultados: La edad promedio de la muestra fue de 45 años. Más de la mitad de los casos evolucionaron de modo sintomático (no grave o grave). La fiebre fue la manifestación clínica más frecuente. Los individuos incluidos en la muestra, con grupo sanguíneo O, o con antecedentes de asma, mostraron menos riesgo de presentar formas sintomáticas de la enfermedad.  Conclusiones: Los resultados sugieren que la edad constituye el principal factor de riesgo para desarrollar formas sintomáticas (no graves o graves) de la COVID-19. De modo contrario, el grupo sanguíneo O y el antecedente de asma son factores de protección para estas formas de evolución clínica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Havana city was the most complex territory at the national level facingthe first outbreak of COVID-19. Its condition of capital, the population density, the limited geographical delimitation between its municipalities, the high inter-municipal and inter-provincial flow of people, added to the fact that it is the province that receives the largest number of travelers from abroad, conferred particularities on this territory.  Objective:  To determine the main clinical-epidemiological characteristics of patients affected by COVID-19 living in Havana.  Methods:  An observational, analytical, cross-sectional study was carried out. The sample contained 431 patients, older than one year, with epidemiological discharge from the SARS-CoV-2 infection. To collect information, a questionnaire was applied through an interview.  Results:  The average age of the sample was 45 years. More than half of the cases evolved in a symptomatic way (not serious or serious). Fever was the most frequent clinical manifestation. The individuals included in the sample, with blood group O or with a background of asthma, showed less risk of presenting symptomatic forms of the disease.  Conclusions:  The results suggest that age is the main risk factor for developing symptomatic forms (not severe or severe) of COVID-19. On the contrary, blood group O and a history of asthma are protective factors for these forms of clinical evolution.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[coronavirus]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[características cliníco-epidemiológicas]]></kwd>
<kwd lng="en"><![CDATA[coronavirus]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="en"><![CDATA[clinical-epidemiologic characteristics]]></kwd>
</kwd-group>
</article-meta>
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