<?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>1029-3019</journal-id>
<journal-title><![CDATA[MEDISAN]]></journal-title>
<abbrev-journal-title><![CDATA[MEDISAN]]></abbrev-journal-title>
<issn>1029-3019</issn>
<publisher>
<publisher-name><![CDATA[Centro Provincial de Información de Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1029-30192020000400728</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El desafío ambiental: enseñanzas a partir de la COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[The environmental challenge: teachings with COVID-19 as a starting point]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gomez Luna]]></surname>
<given-names><![CDATA[Liliana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Oriente Centro Nacional de Electromagnetismo Aplicado ]]></institution>
<addr-line><![CDATA[Santiago de Cuba, ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>24</volume>
<numero>4</numero>
<fpage>728</fpage>
<lpage>743</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1029-30192020000400728&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1029-30192020000400728&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1029-30192020000400728&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las cuestiones ambientales están ligadas a la emergencia de epidemias. La crisis que enfrenta hoy el mundo ha tenido su origen en las constantes perturbaciones ambientales, lo que se ha reflejado en las preocupaciones manifestadas por la Organización de las Naciones Unidas en cada celebración del Día Mundial del Medio Ambiente. Los ecosistemas degradados no pueden ofrecer servicios ecológicos que garanticen bienestar y salud; así, una crisis lleva a otra. En este artículo se expone cómo al romperse el equilibrio natural que protege al hombre de múltiples riesgos, este queda expuesto a más de un millón de microorganismos patógenos desconocidos que podrían cruzar la barrera de las especies, tal es el caso del nuevo virus SARS-CoV-2; a ello se suma la amenaza del cambio climático, que es un impulsor de muchos riesgos. Los problemas sanitarios estarán siempre sujetos a la interacción de cada civilización con su entorno, lo que depende, en esencia, del carácter de la relación hombre-naturaleza.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The environmental questions are linked to the emergency of epidemics. The crisis that world faces today has had its origin in the constant environmental interferences, what has been reflected in the concerns manifested by the United Nations Organization in each celebration of the Environment World Day. The degraded ecosystems cannot offer ecological services that guarantee well-being and health; this way, a crisis takes to another. In this work it is exposed how men are exposed to more than a million of unknown pathogens microorganisms that could cross the barrier of the species when breaking the natural balance that protects him of multiple risks, such is the case of the SARS-CoV-2 new virus; this comes on top of the threat of the climatic change that is an instigator of many risks. Health problems will always be subject to the interaction of each civilization with their environment, what depends, in essence, of the character in man-nature relationship.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[medioambiente]]></kwd>
<kwd lng="es"><![CDATA[riesgos ambientales]]></kwd>
<kwd lng="es"><![CDATA[virus SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[environment]]></kwd>
<kwd lng="en"><![CDATA[environmental risks]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2 virus]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
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