<?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>2007-7890</journal-id>
<journal-title><![CDATA[Dilemas contemporáneos: educación, política y valores]]></journal-title>
<abbrev-journal-title><![CDATA[Dilemas contemp. educ. política valores]]></abbrev-journal-title>
<issn>2007-7890</issn>
<publisher>
<publisher-name><![CDATA[Asesorías y tutorías para la investigación científica en la Educación Puig-Salabarría S.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-78902021000200047</article-id>
<article-id pub-id-type="doi">10.46377/dilemas.v8i3.2671</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Grandes pandemias y sus desafíos]]></article-title>
<article-title xml:lang="en"><![CDATA[Major pandemics and their challenges]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castañeda Guillot]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Martínez]]></surname>
<given-names><![CDATA[Ronelsys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Falcón]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Regional Autónoma de Los Andes  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Regional Autónoma de Los Andes  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Regional Autónoma de Los Andes  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>8</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-78902021000200047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-78902021000200047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-78902021000200047&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El objetivo de la investigación fue evaluar los aspectos más destacados de las principales grandes pandemias desde la antigüedad hasta nuestros días con análisis científico médico basado en el desarrollo histórico de la sociedad humana. Las principales pandemias en el transcurso de la sociedad humana y desafíos fueron analizadas, incluidos crisis sanitaria y letalidad. Se describen rasgos acerca de surgimiento, sintomatología y tratamiento de viruela, peste bubónica o peste negra, cólera, influenza, virus de inmunodeficiencia humana/Síndrome de Inmunodeficiencia Adquirida y actual pandemia de COVID-19. La ocurrencia de pandemias a lo largo de la historia ha tenido repercusión sanitaria, social y económica, limitaciones en tratamiento y rebrotes. Las medidas preventivas e inmunización juegan un papel fundamental en su control y/o erradicación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The aim of the research was to evaluate the highlights of the major major pandemics from ancient times to the present day with medical scientific analysis based on the historical development of human society. The main pandemics in the course of human society and challenges were analyzed, including health crisis and fatality. Traits about the emergence, symptoms and treatment of smallpox, bubonic plague or black plague, cholera, influenza, human immunodeficiency virus / Acquired Immunodeficiency Syndrome and current COVID-19 pandemic are described. The occurrence of pandemics throughout history has had health, social and economic repercussions, limitations in treatment and outbreaks. Preventive measures and immunization play a fundamental role in its control and / or eradication.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[pandemias]]></kwd>
<kwd lng="es"><![CDATA[historia de las pandemias]]></kwd>
<kwd lng="es"><![CDATA[impacto social]]></kwd>
<kwd lng="en"><![CDATA[pandemics]]></kwd>
<kwd lng="en"><![CDATA[history of pandemics]]></kwd>
<kwd lng="en"><![CDATA[social impact]]></kwd>
</kwd-group>
</article-meta>
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