<?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>1135-5727</journal-id>
<journal-title><![CDATA[Revista Española de Salud Pública]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Esp. Salud Publica]]></abbrev-journal-title>
<issn>1135-5727</issn>
<publisher>
<publisher-name><![CDATA[Ministerio de Sanidad]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1135-57272023000100114</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Impacto de la pandemia de la covid-19 en los sistemas de vigilancia epidemiologica de la infección por vih en España]]></article-title>
<article-title xml:lang="en"><![CDATA[Impact of the covid-19 pandemic on the epidemiological surveillance systems of hiv infection in Spain]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernando Sebastián]]></surname>
<given-names><![CDATA[Victoria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Algueró]]></surname>
<given-names><![CDATA[Marta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Simón Méndez]]></surname>
<given-names><![CDATA[Lorena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Franco]]></surname>
<given-names><![CDATA[Asunción]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Salud Carlos III Centro Nacional de Epidemiología ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Salud Carlos III CIBER de Enfermedades Infecciosas (CIBERINFEC) ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>97</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1135-57272023000100114&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1135-57272023000100114&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1135-57272023000100114&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Fundamentos: La pandemia de la COVID-19 afectó de forma indirecta a otras enfermedades transmisibles, como la infección por el virus de la inmunodeficiencia humana (VIH). El objetivo de este estudio fue evaluar el impacto de la pandemia de la COVID-19 en la vigilancia epidemiológica del VIH a través de indicadores epidemiológicos.  Métodos: Se analizaron los datos recogidos en el Sistema de Información de Nuevos Diagnósticos de VIH (SINIVIH) en el periodo 2013-2021. Los indicadores epidemiológicos analizados fueron: 1) Retraso en la notificación de nuevos diagnósticos; 2) Infradiagnóstico de caso, calculado por mes y por cada año de diagnóstico; 3) Diagnóstico tardío, casos diagnosticados con menos de 350 células CD4/mm3.  Resultados: Respecto al retraso en la notificación de nuevos diagnósticos, en 2022 se notificaron 2.770 casos diagnosticados en 2020, un 43,8% más respecto a los notificados en 2021 para ese año. Los casos diagnosticados por mes entre 2016 y 2019 seguían una tendencia constante. En 2020 se observó un descenso importante de diagnósticos entre marzo y mayo que no se recuperó al corregir por retraso en la notificación. Al comparar las tasas de casos diagnosticados en 2013 con los años sucesivos, se observó un descenso continuo que se interrumpía en el último año del periodo de estudio. El porcentaje de casos con diagnóstico tardío se mantuvo estable en el periodo de estudio (entre el 46% y el 50%), observándose un descenso al corregir por retraso en la notificación.  Conclusiones: La vigilancia epidemiológica del VIH sufrió un importante retraso en la notificación. Se constata un descenso en los casos diagnosticados, en parte debido al confinamiento y la falta de acceso a pruebas diagnósticas. No se observan cambios en el diagnóstico tardío.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Background: The COVID-19 pandemic indirectly affected other communicable diseases, such as human immunodeficiency virus (HIV) infection. The aim of this paper was to evaluate the impact of the COVID-19 pandemic on the epidemiological surveillance of HIV through epidemiological indicators.  Methods: Data collected in the New HIV Diagnosis Information System (SINIVIH, acronym in Spanish) in the period 2013-2021 was analyzed. The epidemiological indicators analyzed were: 1) Reporting delay of new diagnoses; 2) Under diagnosis of cases, calculated per month of diagnosis and for each year of diagnosis; 3) Late diagnosis, cases diagnosed with less than 350 CD4 cell/mm3.  Results: Regarding the reporting delay of new diagnoses, in 2022 2,770 diagnoses were reported in 2020, 43.8% more than those reported in 2021 for that year. The cases diagnosed per month between 2016 and 2019 followed a constant trend. In 2020, a significant decrease in diagnoses was observed between March and May that was not recovered after correcting for reporting delay. When comparing the rates of cases diagnosed in 2013 with the successive years, a continuous decrease was interrupted in the last year of the study period. The percentage of cases with late diagnosis had remained stable in the study period (between 46% and 50%), and a decrease in this percentage was observed after correcting for reporting delay.  Conclusions: The epidemiological surveillance of HIV suffered a significant reporting delay. A decrease in cases diagnosed is confirmed, partly due to lockdown and lack of access to the health system. Changes on late diagnosis is not observed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Vigilancia epidemiológica]]></kwd>
<kwd lng="es"><![CDATA[Impacto de la COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Infección por VIH]]></kwd>
<kwd lng="es"><![CDATA[Retraso en la notificación]]></kwd>
<kwd lng="es"><![CDATA[Diagnóstico tardío]]></kwd>
<kwd lng="en"><![CDATA[Epidemiological surveillance]]></kwd>
<kwd lng="en"><![CDATA[Impact of COVID-19]]></kwd>
<kwd lng="en"><![CDATA[HIV infection]]></kwd>
<kwd lng="en"><![CDATA[Reporting delay]]></kwd>
<kwd lng="en"><![CDATA[Late diagnosis]]></kwd>
</kwd-group>
</article-meta>
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