<?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>1870-6622</journal-id>
<journal-title><![CDATA[EconoQuantum]]></journal-title>
<abbrev-journal-title><![CDATA[EconoQuantum]]></abbrev-journal-title>
<issn>1870-6622</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Guadalajara]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-66222025000100077</article-id>
<article-id pub-id-type="doi">10.18381/eq.v22i1.7343</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Income distribution, poverty and deaths in times of COVID-19. Is there a selective mortality?]]></article-title>
<article-title xml:lang="es"><![CDATA[Distribución del ingreso, pobreza y muertes en tiempos de COVID-19. ¿Existe una mortalidad selectiva?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cortez Yactayo]]></surname>
<given-names><![CDATA[Willy Walter]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Islas Camargo]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Guadalajara School of Economics and Administrative Sciences Department of Quantitative Methods]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Autonomous Technological Institute of Mexico Department of Statistics ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>22</volume>
<numero>1</numero>
<fpage>77</fpage>
<lpage>101</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-66222025000100077&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-66222025000100077&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-66222025000100077&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective:  to evaluate whether SARS-CoV2 had asymmetric consequences among Mexico&#8217;s population; in particular, to analyze whether income distribution, poverty, or both had any effect on the distribution of lethality and mortality rates across municipalities.  Methodology:  given the characteristics of the data, we use a Negative Binomial Model to assess the impact of income distribution and poverty on the distribution of deaths across municipalities. We considered and took into account comorbidities and some other sociodemographic variables.  Results:  we find that the expected number of deaths increases with income inequality while it decreases with poverty, ceteris paribus. We tested different models&#8217; specifications, and the conclusions remained unchanged.  Limitations:  These conclusions should be considered as preliminary because we did not have precise information about the deceased&#8217;s surroundings. In addition, many of the poorest municipalities did not have information on either contagions nor deceases, which may add some bias to the estimates.  Originality:  Our study represents a contribution to the growing literature on health inequality. It provides evidence on how income inequality and poverty were related to COVID-19 lethality and mortality rates in a Less Developed Economy.  Conclusions:  The relationship between socioeconomic factors and the health conditions of the population is a very important one and needs further study. To the extent that we can identify and quantify the magnitude of this relationship, we could design better health systems that would allow us to face phenomena like COVID-19.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo:  evaluar si SARS-CoV2 tuvo consecuencias asimétricas en la población mexicana, en particular, analizar si la distribución del ingreso o la pobreza, o ambas, tuvieron algún impacto sobre la distribución de muertes entre los diferentes municipios en México.  Metodología:  dadas las características de los datos, se usa el modelo binomial negativo para evaluar el impacto de la desigualdad y la pobreza sobre la distribución de muertos por COVID-19 entre municipios, controlando por las comorbilidades de las personas y un conjunto de variables sociodemográficas a nivel municipal.  Resultados:  se encontró que el número esperado de muertes aumentó con la desigualdad de ingreso, mientras que disminuyó con pobreza, ceteris paribus. Se probaron diferentes especificaciones y las conclusiones permanecieron sin cambio.  Limitaciones:  las conclusiones se deben considerar como preliminares debido a que no se contó con información más precisa sobre las condiciones de vida de los fallecidos. Adicionalmente, muchos de los municipios más pobres no presentaron información sobre contagios o decesos, lo cual introduce sesgos a nuestras estimaciones.  Originalidad:  este trabajo representa una contribución a la literatura creciente sobre desigualdad en salud y presenta evidencia acerca de cómo la desigualdad en el ingreso y la pobreza estuvieron relacionados con la distribución de mortandad del COVID-19 en un país menos desarrollado.  Conclusiones:  Las relaciones entre las condiciones socioeconómicas y la salud de la población son muy importantes y necesitan mayores estudios. En la medida que se puedan identificar y cuantificar las magnitudes de estas relaciones, se podrían diseñar sistemas de salud con mayores capacidades para enfrentar fenómenos como la pandemia del COVID-19.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[SARS-CoV2]]></kwd>
<kwd lng="en"><![CDATA[probability of death]]></kwd>
<kwd lng="en"><![CDATA[income distribution]]></kwd>
<kwd lng="en"><![CDATA[poverty]]></kwd>
<kwd lng="en"><![CDATA[Poisson models]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
<kwd lng="en"><![CDATA[I14]]></kwd>
<kwd lng="en"><![CDATA[I15]]></kwd>
<kwd lng="en"><![CDATA[O54]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV2]]></kwd>
<kwd lng="es"><![CDATA[probabilidad de morir]]></kwd>
<kwd lng="es"><![CDATA[distribución del ingreso]]></kwd>
<kwd lng="es"><![CDATA[pobreza]]></kwd>
<kwd lng="es"><![CDATA[modelo de Poisson]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="es"><![CDATA[I14]]></kwd>
<kwd lng="es"><![CDATA[I15]]></kwd>
<kwd lng="es"><![CDATA[O54]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alfani]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Epidemics, inequality and poverty in preindustrial and early industrial times]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blumenshine]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Reingold]]></surname>
<given-names><![CDATA[A.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Egerter]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Mockenhaupt]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Marks]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pandemic influenza planning in the United States from a health disparities]]></article-title>
<source><![CDATA[Emerging Infectious Diseases]]></source>
<year>2008</year>
<volume>14</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>709-5</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bouchard]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Albertini]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Batista]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[de Montigny]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Research on health inequalities: A bibliometric analysis (1966-2014)]]></article-title>
<source><![CDATA[Social Science and Medicine]]></source>
<year>2015</year>
<volume>141</volume>
<page-range>100-8</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bottan]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Hoffmann]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Vera-Cossio]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The unequal impact of the coronavirus pandemic: Evidence from seventeen developing countries]]></article-title>
<source><![CDATA[PLoS ONE]]></source>
<year>2020</year>
<volume>15</volume>
<numero>10</numero>
<issue>10</issue>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Braveman]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Krieger]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Lynch]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Health inequalities and social inequalities in health]]></article-title>
<source><![CDATA[Bulletin of the World Health Organization]]></source>
<year>2000</year>
<volume>78</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>232-5</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cameron]]></surname>
<given-names><![CDATA[A.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Trivedi]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Microeconometrics using Stata]]></source>
<year>2010</year>
<publisher-loc><![CDATA[College Station, Texas ]]></publisher-loc>
<publisher-name><![CDATA[Stata Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Djaharuddin]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Munawwarah]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Nurulita]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ilyas]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comorbidities and mortality in COVID-19 patients]]></article-title>
<source><![CDATA[Gaceta Sanitaria]]></source>
<year>2021</year>
<volume>35</volume>
<numero>^s2</numero>
<issue>^s2</issue>
<supplement>2</supplement>
<page-range>S530-2</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DeWitte]]></surname>
<given-names><![CDATA[S.N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortality risk and survival in the aftermath of the medieval black death]]></article-title>
<source><![CDATA[PLoS ONE]]></source>
<year>2014</year>
<volume>9</volume>
<numero>5</numero>
<issue>5</issue>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gray]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Inequalities in health. The Black report: a summary and comment]]></article-title>
<source><![CDATA[International Journal of Health Services]]></source>
<year>1982</year>
<volume>3</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>349-80</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hays]]></surname>
<given-names><![CDATA[J.N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Epidemics and pandemics: Their impacts on human history]]></source>
<year>2005</year>
<publisher-loc><![CDATA[Santa Barbara, California ]]></publisher-loc>
<publisher-name><![CDATA[ABC Clio]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huttunen]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Syrjanen]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Obesity and the outcome of infection]]></article-title>
<source><![CDATA[Lancet Infectious Diseases]]></source>
<year>2010</year>
<volume>10</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>442-3</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<collab>Instituto Nacional de Estadística y Geografía [INEGI]</collab>
<source><![CDATA[Distribución de la población por tamaño de localidad y su relación con el medio ambiente]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="">
<collab>Instituto Nacional de Estadística y Geografía [INEGI]</collab>
<source><![CDATA[Informe de resultados de la Encuesta Nacional de Salud y Nutrición ENSANUT]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="">
<collab>John Hopkins University. Coronavirus Resource Center</collab>
<source><![CDATA[COVID-19 dashboard]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kawachi]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Subramanian]]></surname>
<given-names><![CDATA[S. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Almeida-Filho]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A glossary for health inequalities]]></article-title>
<source><![CDATA[Journal of Epidemiology and Community Health]]></source>
<year>2002</year>
<volume>56</volume>
<page-range>647-52</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Link]]></surname>
<given-names><![CDATA[B.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Phelan]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Social conditions as fundamental causes of disease]]></article-title>
<source><![CDATA[Journal of Health and Social Behavior]]></source>
<year>1995</year>
<volume>35</volume>
<page-range>80-94</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lustig]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez Pabón]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Sanz]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Younger]]></surname>
<given-names><![CDATA[S.D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The impact of COVID-19 lockdowns and expanded social assistance on inequality, poverty and mobility in Argentina, Brazil, Colombia and Mexico]]></article-title>
<source><![CDATA[COVID Economics]]></source>
<year>2020</year>
<volume>46</volume>
<page-range>32-67</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lustig]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez Pabón]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The impact of COVID-19 on inequality and poverty in Mexico]]></article-title>
<source><![CDATA[Estudios Económicos]]></source>
<year>2021</year>
<volume>36</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>7-25</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Milner]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Beck]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The impact of obesity on the immune response to infection]]></article-title>
<source><![CDATA[Proceedings of the Nutrition Society]]></source>
<year>2012</year>
<volume>71</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>298-306</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nathanson]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Who owns health inequalities?]]></article-title>
<source><![CDATA[The Lancet]]></source>
<year>2010</year>
<volume>375</volume>
<numero>9711</numero>
<issue>9711</issue>
<page-range>274-5</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Onder]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Rezza]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Brusaferro]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Case-fatality rate and characteristics of patients dying in relation to COVID-19 in Italy]]></article-title>
<source><![CDATA[JAMA]]></source>
<year>2020</year>
<volume>323</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>1775-6</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quinn]]></surname>
<given-names><![CDATA[S.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Health inequalities and infectious disease epidemics: A challenge for global health security]]></article-title>
<source><![CDATA[Biosecurity and Bioterrorism: Biodefense Strategy, Practice and Science]]></source>
<year>2014</year>
<volume>12</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>263-73</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez-Valverde]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Valverde]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modelo Estadístico para defunciones y casos positivos de COVID-19 en México]]></article-title>
<source><![CDATA[EconoQuantum]]></source>
<year>2021</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-20</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rangel González]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Lamosas-Rosas]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[F.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aislamiento social y el COVID-19 en las regiones de México]]></article-title>
<source><![CDATA[EconoQuantum]]></source>
<year>2021</year>
<volume>18</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>1-22</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Russell]]></surname>
<given-names><![CDATA[C.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Lone]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Baillie]]></surname>
<given-names><![CDATA[J.K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comorbidities, multimorbidity and COVID-19]]></article-title>
<source><![CDATA[Nature Medicine]]></source>
<year>2023</year>
<volume>29</volume>
<page-range>334-43</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez-Pájaro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez Ferrer]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Basto-Abreu]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera-Dommarco]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Barquera]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Denova- Gutiérrez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Barrientos-Gutiérrez]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seroprevalencia de SARS-CoV-2 en adultos y adultos mayores en México y su asociación con enfermedades crónicas. Ensanut 2020 COVID-19]]></article-title>
<source><![CDATA[Salud Publica de México]]></source>
<year>2021</year>
<volume>63</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>705-12</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sanmartin]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ross]]></surname>
<given-names><![CDATA[N.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tremblay]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Wolfson]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Dunn]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lynch]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Labour market income inequality and mortality in North American metropolitan areas]]></article-title>
<source><![CDATA[Journal of Epidemiology and Community Health]]></source>
<year>2003</year>
<volume>57</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>792-7</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<collab>Secretaría de Educación Pública [SEP]</collab>
<article-title xml:lang=""><![CDATA[Acuerdo número 02/03/20 por el que se suspenden las clases en las escuelas de educación preescolar, primaria, secundaria, normal y demás para la formación de maestros de educación básica del sistema educativo nacional, así como aquellas de los tipos medio superior y superior dependientes de la Secretaría de Educación Pública]]></article-title>
<source><![CDATA[Diario Oficial de la Federación]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valensisi]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[COVID-19 and global poverty: are LDCs left behind?]]></article-title>
<source><![CDATA[European Journal of Development Research]]></source>
<year>2020</year>
<volume>32</volume>
<page-range>1535-57</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="">
<collab>World Health Organization [WHO]</collab>
<source><![CDATA[Update 49- SARS case fatality ratio, incubation period]]></source>
<year>2003</year>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<collab>World Health Organization [WHO]</collab>
<source><![CDATA[Closing the gap in a generation: health equity through action on the social determinants of health]]></source>
<year>2008</year>
<publisher-loc><![CDATA[Geneva ]]></publisher-loc>
<publisher-name><![CDATA[Commission on Social Determinants of Health]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yasgar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The history of influenza]]></article-title>
<source><![CDATA[Microbiologics Blog]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Chi]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Dong]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Lv]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Shen]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comorbidities and the risk of severe or fatal outcomes associated with coronavirus disease 2019: A systematic review and meta-analysis]]></article-title>
<source><![CDATA[International Journal of Infectious Disease]]></source>
<year>2020</year>
<volume>99</volume>
<page-range>47-56</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
