<?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>0465-546X</journal-id>
<journal-title><![CDATA[Medicina y Seguridad del Trabajo]]></journal-title>
<abbrev-journal-title><![CDATA[Med. segur. trab.]]></abbrev-journal-title>
<issn>0465-546X</issn>
<publisher>
<publisher-name><![CDATA[Escuela Nacional de Medicina del Trabajo. Instituto de Salud Carlos III]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0465-546X2021000100011</article-id>
<article-id pub-id-type="doi">10.4321/s0465-546x2021000100002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características clínicas de COVID-19 en trabajadores sanitarios de tres hospitales de Madrid durante la primera ola de la pandemia]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical characteristics of COVID-19 in healthcare workers from three hospitals from Madrid during the first wave of the pandèmic]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Deschamps-Perdomo]]></surname>
<given-names><![CDATA[Ámbar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garrafa-Núñez]]></surname>
<given-names><![CDATA[Mayra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Meza-Caballero]]></surname>
<given-names><![CDATA[María Eva]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Patricio-Villanueva]]></surname>
<given-names><![CDATA[Ghino]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salgado-Balbas]]></surname>
<given-names><![CDATA[Yohana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Paniagua-Castillo]]></surname>
<given-names><![CDATA[Jennifer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospitales Universitarios Rey Juan Carlos, Infanta Elena y General de Villalba Servicio de Prevención Mancomunado ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospitales Universitarios Rey Juan Carlos, Infanta Elena y General de Villalba Servicio de Prevención Mancomunado ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospitales Universitarios Rey Juan Carlos, Infanta Elena y General de Villalba Servicio de Prevención Mancomunado ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>67</volume>
<numero>262</numero>
<fpage>11</fpage>
<lpage>23</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0465-546X2021000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0465-546X2021000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0465-546X2021000100011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  El objetivo Disminuir el área de incertidumbre con la comprensión de la sintomatología y la caracterización clínica dentro del entorno hospitalario.  Método:  Este es un estudio descriptivo comparativo, donde se revisaron y compararon las manifestaciones clínicas de 255 trabajadores sanitarios con COVID-19 durante la primera ola (marzo-abril 2020). De acuerdo a las características se hizo el análisis de los resultados utilizando las pruebas chi cuadrado, U de Mann-Whitney/w de Wilcoxon y las medidas de tendencia central.  Resultados:  La anosmia y la ageusia tuvieron un vínculo estadísticamente significativo con la obtención de un resultado positivo en la PCR: Anosmia p=0,001; Ageusia: p=0,00; fiebre (p=0,01) y la odinofagia (p=0,03). La tos 75,56%, mialgias 68,11%, cefalea 43,53%, anosmia 37,25%, fiebre 34,12 % y ageusia 31,76% sobresalieron dentro de los síntomas. La positividad de la PCR tras el inicio de los síntomas estuvo entre 1.5 a 4 días.  Conclusiones:  Es primordial utilizar un enfoque que al menos incluya la fiebre, anosmia o ageusia al establecer aislamiento y la determinación de pruebas diagnósticas. La caracterización clínica es fundamental para poder establecer estrategias sanitarias efectivas. Nuevas variantes del SARS CoV-2 podrían alterar la efectividad de estas estrategias.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Le objective is reduce the area of uncertainty with the understanding of the symptoms and the clinical characterization within the hospital environment.  Method:  This is a comparative descriptive study, where the clinical manifestations of 255 healthcare workers with COVID-19 during the first wave (March-April 2020) were reviewed and compared. According to the characteristics, the analysis of the results was performed using the chi-square tests, Mann-Whitney U / w. Wilcoxon and measures of central tendency.  Results:  Anosmia and ageusia had a statistically significant relationship with obtaining a positive result in the PCR: Anosmia p = 0.001; Ageusia: p = 0.00; fever (p = 0.01) and odynophagia (p = 0.03). Cough 75.56%, myalgia 68.11%, headache 43.53%, anosmia 37.25%, fever 34.12% and ageusia 31.76% stood out among the symptoms. The positivity of the PCR after the onset of symptoms was between 1.5 to 4 days.  Conclusions: It is essential to use an approach that at least includes fever, anosmia or ageusia when establishing isolation and determining diagnostic tests. Clinical characterization is essential to be able to establish effective health strategies. New variants of SARS CoV-2 could alter the effectiveness of these strategies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[trabajadores de la salud]]></kwd>
<kwd lng="es"><![CDATA[PCR de SARS-CoV-2 características clínicas]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="en"><![CDATA[healthcare workers]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2 PCR clinical characteristics]]></kwd>
</kwd-group>
</article-meta>
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