<?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>0123-9392</journal-id>
<journal-title><![CDATA[Infectio]]></journal-title>
<abbrev-journal-title><![CDATA[Infect.]]></abbrev-journal-title>
<issn>0123-9392</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Infectología.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-93922021000400256</article-id>
<article-id pub-id-type="doi">10.22354/in.v25i4.957</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores de riesgo en población rural andina con COVID-19: un estudio de cohorte retrospectivo]]></article-title>
<article-title xml:lang="en"><![CDATA[Risk factors in rural Andean population with COVID-19: a retrospective cohort study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moya-Salazar]]></surname>
<given-names><![CDATA[Jeel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cañari]]></surname>
<given-names><![CDATA[Betsy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Llanos]]></surname>
<given-names><![CDATA[Alondra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernandez]]></surname>
<given-names><![CDATA[Sofia A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eche-Navarro]]></surname>
<given-names><![CDATA[Marylin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salazar-Hernandez]]></surname>
<given-names><![CDATA[Richard]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras-Pulache]]></surname>
<given-names><![CDATA[Hans]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Privada Norbert Wiener Facultad de Ciencias de la Salud Escuela de Medicina Humana]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Nacional Docente Madre Niño San Bartolomé  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,aff3  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro de Atención Primaria II Chavin de Huantar  ]]></institution>
<addr-line><![CDATA[Ancash ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Centro de Atención Primaria II Pomobamba  ]]></institution>
<addr-line><![CDATA[Ancash ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Centro de Atención Primaria II Chalhuanca  ]]></institution>
<addr-line><![CDATA[Apurímac ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Hospital Nacional Guillermo Almenara Irigoyen Servicio de Patología ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,aff8  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</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>25</volume>
<numero>4</numero>
<fpage>256</fpage>
<lpage>261</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-93922021000400256&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-93922021000400256&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-93922021000400256&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Determinar los factores de riesgo en adultos con COVID-19 en población rural andina durante 2020.  Métodos: En este estudio de cohorte retrospectivo multicéntrico, incluimos a 184 pacientes adultos (&#8805;18 años) con pruebas serológicas y moleculares para CO VID-19 de tres hospitales de la sierra peruana (Ancash y Apurímac) incluidos con sospecha clínica entre abril y junio. Se utilizó análisis descriptivos y regresión logística univariable para explorar los factores de riesgo asociados a los pacientes con COVID-19.  Resultados: Del total de pacientes, 14 (7.6%) tuvieron SARS-CoV-2. En los pacientes infectados 12 (85.7%) fueron varones con promedio de edad de 47.3±21 años. Las comorbilidades estuvieron presentes en cerca de la tercera parte de pacientes, siendo la hipertensión y diabetes las más frecuentes (ambas 14.3%), y la sinto matología más frecuentes fueron fiebre y cefalea (57.2%). La regresión univariable mostró mayores probabilidades de infección con SARS-CoV-2 en la población rural andina asociada con la edad avanzada (OR: 1.1 IC95% 0.7-1.8; p=0,019), comorbilidades previas (OR: 1.7, IC95% 0.32-9.39; p=0,006), y sintomatología previa (OR: 49.8, IC95% 5.6-436.9; p=0,0011).  Conclusiones: Los posibles factores de riesgo como la edad avanzada, las comorbilidades y sintomatología previas están relacionados con el desarrollo de CO VID-19 en población rural andina de Perú.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To determine the risk factors in adults with COVID-19 in the rural Andean population during 2020.  Methods: This multicenter retrospective cohort study included 184 adult patients (&#8805;18 years) with COVID-19&#8217;s serological and molecular tests from three Hospitals in the Peruvian mountains (Ancash and Apurímac) included with clinical suspicion between April and June. Descriptive analysis and univariate logistic regression were used to explore the risk factors associated with patients with COVID-19.  Results: Of total of patients, 14 (7.6%) had a SARS-CoV-2. In infected patients 12 (85.7%) were men with an average age of 47.3±21 years. Comorbidities were present in about a third of patients, with hypertension and diabetes being the most frequent (both 14.3%), and the most frequent symptoms were fever and hea dache (57.2%). Univariate regression showed higher probabilities of infection with SARS-CoV-2 in the rural Andean population associated with advanced age (OR: 1.1 95% CI 0.7 - 1.8; p = 0.019), previous comorbidities (OR: 1.7, 95%CI 0.32 - 9.39; p = 0.006), and previous symptoms (OR: 49.8, 95%CI 5.6 - 436.9; p = 0.0011).  Conclusions: Possible risk factors such as advanced age, comorbidities and previous symptoms are related to the development of COVID-19 in the rural Andean population of Peru.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[factor de riesgo]]></kwd>
<kwd lng="es"><![CDATA[sierra]]></kwd>
<kwd lng="es"><![CDATA[comorbilidad]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[Perú.]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[risk factor]]></kwd>
<kwd lng="en"><![CDATA[mountains]]></kwd>
<kwd lng="en"><![CDATA[comorbidity]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="en"><![CDATA[Peru]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="">
<collab>Pan-American Health Organization</collab>
<source><![CDATA[Response to COVID-19 in the Americas]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Washington, D.C ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="">
<collab>World Health Organization</collab>
<source><![CDATA[Coronavirus disease (covid-19) weekly epidemiological update - 30 October]]></source>
<year>30-o</year>
<month>ct</month>
<day>ob</day>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="">
<collab>Ministerio de Salud</collab>
<source><![CDATA[Sala situacional COVID-19]]></source>
<year></year>
<publisher-loc><![CDATA[Peru ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Du]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Fan]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study]]></article-title>
<source><![CDATA[The lancet]]></source>
<year>2020</year>
<volume>395</volume>
<numero>10229</numero>
<issue>10229</issue>
<page-range>1054-62</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caussy]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Pattou]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Wallet]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Simon]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Chalopin]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Telliam]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of obesity among adult inpatients with COVID-19 in France]]></article-title>
<source><![CDATA[Lancet Diabet Endocrinol]]></source>
<year>2020</year>
<volume>8</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>562-4</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical characteristics of 138 hospitalized patients with 2019 novel coronavirus-infected pneumonia in Wuhan, China]]></article-title>
<source><![CDATA[JAMA]]></source>
<year>2020</year>
<volume>323</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1061-9</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Acosta]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Escobar]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Bernaola]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Alfaro]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Taype]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Marcos]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización de pacientes con COVID-19 grave atendidos en un hospital de referencia nacional del Perú]]></article-title>
<source><![CDATA[Rev Per Med Exp Salud Publica]]></source>
<year>2020</year>
<volume>37</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>253-8</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="book">
<collab>Ministerio de Salud</collab>
<source><![CDATA[Prevención, diagnóstico y tratamiento de personas afectadas por COVID-19 en el Perú]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Lima ]]></publisher-loc>
<publisher-name><![CDATA[MINSA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="book">
<collab>Ministerio de Salud</collab>
<source><![CDATA[Análisis de Situación de Salud del Perú]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Lima ]]></publisher-loc>
<publisher-name><![CDATA[MINSA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz-Prado]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Simbana-Rivera]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Diaz]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Barreto]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Moyano]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Arcos]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Epidemiological, socio-demographic and clinical features of the early phase of the COVID-19 epidemic in Ecuador]]></article-title>
<source><![CDATA[medRXiv]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="">
<collab>United National</collab>
<source><![CDATA[COVID-19 and Indigenous peoples]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zheng]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Peng]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Peng]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk factors of critical &amp; mortal COVID-19 cases: A systematic literature review and meta-analysis]]></article-title>
<source><![CDATA[J Infect]]></source>
<year>2020</year>
<volume>81</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>e16-25</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hamer]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kivimäki]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gale]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Batty]]></surname>
<given-names><![CDATA[GD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lifestyle risk factors, inflammatory mechanisms, and COVID-19 hospitalization: A community-based cohort study of 387,109 adults in UK]]></article-title>
<source><![CDATA[Brain Behav Immun]]></source>
<year>2020</year>
<volume>87</volume>
<page-range>184-7</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leung]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk factors for predicting mortality in elderly patients with COVID-19: A review of clinical data in China]]></article-title>
<source><![CDATA[Mech Ageing Develop]]></source>
<year>2020</year>
<volume>188</volume>
<page-range>111255</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[JJY]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[KS]]></given-names>
</name>
<name>
<surname><![CDATA[Ang]]></surname>
<given-names><![CDATA[LW]]></given-names>
</name>
<name>
<surname><![CDATA[Leo]]></surname>
<given-names><![CDATA[YS]]></given-names>
</name>
<name>
<surname><![CDATA[Young]]></surname>
<given-names><![CDATA[BE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk Factors for Severe Disease and Efficacy of Treatment in Patients Infected With COVID-19: A Systematic Review, Meta-Analysis, and Meta-Regression Analysis]]></article-title>
<source><![CDATA[Clin Inf Dis]]></source>
<year>2020</year>
<volume>71</volume>
<numero>16</numero>
<issue>16</issue>
<page-range>2199-206</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vardavas]]></surname>
<given-names><![CDATA[CI]]></given-names>
</name>
<name>
<surname><![CDATA[Nikitara]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[COVID-19 and smoking: A systematic review of the evidence]]></article-title>
<source><![CDATA[Tob Induc Dis]]></source>
<year>2020</year>
<volume>18</volume>
<page-range>20</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escobar]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Matta]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Taype]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Ayala]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Amado]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Características clínicoepidemiológicas de pacientes fallecidos por covid-19 en un hospital nacional de Lima, Perú]]></article-title>
<source><![CDATA[Rev Fac Med Hum]]></source>
<year>2020</year>
<volume>20</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>180-5</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="book">
<collab>Fondo de Cooperación para el Desarrollo Social</collab>
<source><![CDATA[Mapa de pobreza del Perú 2007]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Lima ]]></publisher-loc>
<publisher-name><![CDATA[FONCODES]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="">
<collab>Instituto Nacional de Estadística e Informática</collab>
<source><![CDATA[Recursos Humanos en Salud]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="book">
<collab>Centers for Disease Control and Prevention</collab>
<source><![CDATA[Coronavirus disease (COVID-19): Interim clinical guidance for management of patients with confirmed coronavirus disease (COVID-19)]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Atlanta ]]></publisher-loc>
<publisher-name><![CDATA[CDC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cholankeril]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Podboy]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Aivaliotis]]></surname>
<given-names><![CDATA[VI]]></given-names>
</name>
<name>
<surname><![CDATA[Tarlow]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Pham]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Spencer]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[High Prevalence of Concurrent Gastrointestinal Manifestations in Patients with Severe Acute Respiratory Syndrome Coronavirus 2: Early Experience from California]]></article-title>
<source><![CDATA[Gastroenterology]]></source>
<year>2020</year>
<volume>159</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>775-7</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Recalcati]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cutaneous manifestations in COVID&#8208;19: a first perspective]]></article-title>
<source><![CDATA[JEADV]]></source>
<year>2020</year>
<volume>34</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>e212-3</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Reddy]]></surname>
<given-names><![CDATA[MK]]></given-names>
</name>
<name>
<surname><![CDATA[Hussain]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Murthy]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Robert]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Atypical Neurological Manifestations of COVID-19]]></article-title>
<source><![CDATA[Cureus]]></source>
<year>2020</year>
<volume>12</volume>
<numero>6</numero>
<issue>6</issue>
</nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mao]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Jin]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Neurologic Manifestations of Hospitalized Patients With Coronavirus Disease 2019 in Wuhan, China]]></article-title>
<source><![CDATA[JAMA Neurol]]></source>
<year>2020</year>
<volume>77</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>683-90</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Mao]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Proportion of asymptomatic coronavirus disease 2019 (COVID&#8208;19): a systematic review and meta&#8208;analysis]]></article-title>
<source><![CDATA[J Med Virol]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arias-Reyes]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Carvajal-Rodriguez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Poma-Machicao]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Aliaga- Raduan]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Zubieta DeUrioste]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Decreased incidence, virus transmission capacity, and severity of COVID-19 at altitude on the American continent]]></article-title>
<source><![CDATA[medRXiv]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Segovia-Juarez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Castagnetto]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzales]]></surname>
<given-names><![CDATA[GF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[High altitude reduces infection rate of COVID-19 but not case-fatality rate]]></article-title>
<source><![CDATA[Resp Physiol Neurobiol]]></source>
<year>2020</year>
<volume>281</volume>
<page-range>103494</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
