<?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>0872-0169</journal-id>
<journal-title><![CDATA[Portuguese Journal of Nephrology & Hypertension]]></journal-title>
<abbrev-journal-title><![CDATA[Port J Nephrol Hypert]]></abbrev-journal-title>
<issn>0872-0169</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Nefrologia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0872-01692021000300153</article-id>
<article-id pub-id-type="doi">10.32932/pjnh.2021.10.140</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Covid-19 in 40 dialysis facilities. A prospective multicenter cohort study in Spain]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Deira]]></surname>
<given-names><![CDATA[Javier L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Sanchidrián]]></surname>
<given-names><![CDATA[Silvia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rocha]]></surname>
<given-names><![CDATA[André]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Musso]]></surname>
<given-names><![CDATA[Carlos G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Calero]]></surname>
<given-names><![CDATA[Rosa M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Puello]]></surname>
<given-names><![CDATA[Suleyka]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[Belén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Stefan]]></surname>
<given-names><![CDATA[George]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lopez]]></surname>
<given-names><![CDATA[Francisca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torregrosa]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lerma]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Grande]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[Esther]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martín]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gascón]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dorado]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,San Pedro de Alcántara Hospital  ]]></institution>
<addr-line><![CDATA[Cáceres ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Italiano de Buenos Aires Research Department ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Simón Bolivar Facultad de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Barranquilla ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universitary Hospital of Badajoz  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,University Clinical Hospital of Santiago de Compostela  ]]></institution>
<addr-line><![CDATA[A Coruña ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Río Hortega University Hospital  ]]></institution>
<addr-line><![CDATA[Valladolid ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,University Hospital of Jerez de la Frontera  ]]></institution>
<addr-line><![CDATA[Cádiz ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,University Assistance Complex of León  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Costa del Sol Hospital  ]]></institution>
<addr-line><![CDATA[Marbella ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="A10">
<institution><![CDATA[,Manises Hospital  ]]></institution>
<addr-line><![CDATA[Valencia ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="A11">
<institution><![CDATA[,University Assistance Complex of Salamanca  ]]></institution>
<addr-line><![CDATA[Salamanca ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="A12">
<institution><![CDATA[,Virgen de la Concha Hospital  ]]></institution>
<addr-line><![CDATA[Zamora ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="A13">
<institution><![CDATA[,Río Carrión General Hospital  ]]></institution>
<addr-line><![CDATA[Palencia ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="A14">
<institution><![CDATA[,Nuestra Señora de Sonsoles Hospital  ]]></institution>
<addr-line><![CDATA[Ávila ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="A15">
<institution><![CDATA[,Obispo Polanco Hospital  ]]></institution>
<addr-line><![CDATA[Teruel ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="A16">
<institution><![CDATA[,University of Extremadura INUBE Extremadura Biosanitary University Research Institute Department of Medical-Surgery Therapeutics]]></institution>
<addr-line><![CDATA[Plasencia ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<fpage>153</fpage>
<lpage>159</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-01692021000300153&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-01692021000300153&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-01692021000300153&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Aims: Assess the incidence of COVID-19 during the first wave of the pandemic in 40 hemodialysis units in Spain.  Material and methods: We analyzed 396 Rt-PCR performed March 14th to April 28th, 2020 in a cohort of 2398 hemodialysis (HD) patients corresponding to 19 hospital units and 21 satellite centers.  Results: We performed Rt-PCR in 14% of the patients, with a marked variability depending on the location. The overall COVID-19 incidence was 3.2% (range 0-15.9%). It was significantly higher in the hospital units (4.5%) than in the satellite units (1.9%) (p=0.0003). There was a positive and significant correlation between the COVID-19 incidence in the units and their proximity to Madrid (R2=0.6235, p=0.0013), which was the main epidemic focus.  Conclusion: Our study showed a low incidence of COVID-19 in HD, higher in hospital units and closer to Madrid.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Dialysis facilities]]></kwd>
<kwd lng="en"><![CDATA[Hemodialysis]]></kwd>
<kwd lng="en"><![CDATA[Incidence]]></kwd>
<kwd lng="en"><![CDATA[Rt-PCR]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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