<?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>0121-0807</journal-id>
<journal-title><![CDATA[Revista de la Universidad Industrial de Santander. Salud]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Univ. Ind. Santander. Salud]]></abbrev-journal-title>
<issn>0121-0807</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-08072021000100302</article-id>
<article-id pub-id-type="doi">10.18273/saluduis.53.e:21032</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de la relación entre material particulado, cuarentena y COVID-19 en una ciudad del caribe colombiano]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of the relationship between particulate material, quarantine, and COVID-19 in a Colombian Caribbean city]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wilches-Visbal]]></surname>
<given-names><![CDATA[Jorge Homero]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Pedraza]]></surname>
<given-names><![CDATA[Midian Clara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Magdalena  ]]></institution>
<addr-line><![CDATA[Santa Marta ]]></addr-line>
<country>Colombia</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>53</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-08072021000100302&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-08072021000100302&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-08072021000100302&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La exposición de largo y corto plazo a determinadas concentraciones de contaminantes ambientales parece incidir en la propagación y agravamiento de la COVID-19. Por otra parte, se ha hipotetizado que las cuarentenas tienen un efecto positivo en la calidad del aire.  Objetivo: Examinar la concentración de material particulado 10 (CPM10) en los últimos cinco años; en meses precuarentena y postcuarentena de 2020 y el impacto de la cuarentena en la CPM10 en Santa Marta (Colombia).  Materiales y Métodos: Estudio retrospectivo de corte longitudinal, sobre la CPM10 en una muestra de cinco estaciones de monitoreo ambiental, periodo 2016 - 2020. Se calcularon distribuciones de CPM10 por año y estación, así como entre meses pre y postcuarentena.  Resultados: Se evidenció una reducción estadísticamente significativa del CPM10 en 2020 respecto a los cuatro años anteriores, cercana al 34 %; lo propio sucedió para meses postcuarentena versus precuarentena, con disminución del 40 % en los primeros. No hubo diferencias significativas de CPM10 entre las estaciones, aunque se observaron medianas superiores del contaminante en las del sur. La CPM10 de 2016 - 2020 (largo plazo) y en meses precuarentena (corto plazo) sobrepasaron los límites de riesgo aumentado de morbimortalidad por COVID-19 establecidos en estudios internacionales previos.  Conclusión: La cuarentena tuvo un impacto positivo en la calidad del aire en Santa Marta. No obstante, los niveles de CPM10 encontrados a largo y corto plazo pudieron haber predispuesto a la población al contagio y fallecimiento por el virus.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Long and short-term exposure to certain concentrations of environmental pollutants seems to influence the spread and worsening of COVID-19. On the other hand, it has been hypothesized that quarantines have a positive effect on air quality.  Objective: To examine the concentration of particulate material 10 (CPM10) in the last five years, in pre-quarantine and post-quarantine months of 2020 and the impact of the quarantine on CPM10 in Santa Marta (Colombia).  Materials and Methods: Retrospective longitudinal study of CPM10 on a sample of five environmental monitoring stations, period 2016-2020. CPM10 distributions were calculated for each year and season, as well as between months before and after quarantine.  Results: A statistically significant reduction of 34% in CPM10 was evidenced in 2020 compared to the previous four years. CPM10 of post-quarantine months decreased 40% in comparison with the pre-quarantine months. There were no significant differences in CPM10 between the stations, although median values of CPM10 were higher in the southern stations. CPM10 from 20162020 (long term) and in pre-quarantine months (short term) exceeded the limits of increased risk of morbidity and mortality from COVID-19 established in previous international studies.  Conclusion: The quarantine had a positive impact on the air quality in Santa Marta. However, CPM10 levels found in the long and short term could have predisposed the population to infection and death from the virus.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Material Particulado]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Cuarentena]]></kwd>
<kwd lng="es"><![CDATA[Monitoreo del Ambiente]]></kwd>
<kwd lng="es"><![CDATA[Calidad del Aire]]></kwd>
<kwd lng="es"><![CDATA[Santa Marta]]></kwd>
<kwd lng="es"><![CDATA[Colombia]]></kwd>
<kwd lng="en"><![CDATA[Particulate Matter]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Quarantine]]></kwd>
<kwd lng="en"><![CDATA[Environmental Monitoring]]></kwd>
<kwd lng="en"><![CDATA[Air Quality]]></kwd>
<kwd lng="en"><![CDATA[Santa Marta]]></kwd>
<kwd lng="en"><![CDATA[Colombia]]></kwd>
</kwd-group>
</article-meta>
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