Potential impact of individual exposure histories to endemic human coronaviruses on age-dependent severity of COVID-19

Background Cross-reactivity to SARS-CoV-2 from exposure to endemic human coronaviruses (eHCoV) is gaining increasing attention as a possible driver of both protection against infection and COVID-19 severity. Here we explore the potential role of cross-reactivity induced by eHCoVs on age-specific COV...

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Veröffentlicht in:BMC medicine 2021-01, Vol.19 (1), p.19-19, Article 19
Hauptverfasser: Pinotti, Francesco, Wikramaratna, Paul S., Obolski, Uri, Paton, Robert S., Damineli, Daniel S. C., Alcantara, Luiz C. J., Giovanetti, Marta, Gupta, Sunetra, Lourenco, Jose
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container_issue 1
container_start_page 19
container_title BMC medicine
container_volume 19
creator Pinotti, Francesco
Wikramaratna, Paul S.
Obolski, Uri
Paton, Robert S.
Damineli, Daniel S. C.
Alcantara, Luiz C. J.
Giovanetti, Marta
Gupta, Sunetra
Lourenco, Jose
description Background Cross-reactivity to SARS-CoV-2 from exposure to endemic human coronaviruses (eHCoV) is gaining increasing attention as a possible driver of both protection against infection and COVID-19 severity. Here we explore the potential role of cross-reactivity induced by eHCoVs on age-specific COVID-19 severity in a mathematical model of eHCoV and SARS-CoV-2 transmission. Methods We use an individual-based model, calibrated to prior knowledge of eHCoV dynamics, to fully track individual histories of exposure to eHCoVs. We also model the emergent dynamics of SARS-CoV-2 and the risk of hospitalisation upon infection. Results We hypothesise that primary exposure with any eHCoV confers temporary cross-protection against severe SARS-CoV-2 infection, while life-long re-exposure to the same eHCoV diminishes cross-protection, and increases the potential for disease severity. We show numerically that our proposed mechanism can explain age patterns of COVID-19 hospitalisation in EU/EEA countries and the UK. We further show that some of the observed variation in health care capacity and testing efforts is compatible with country-specific differences in hospitalisation rates under this model. Conclusions This study provides a "proof of possibility" for certain biological and epidemiological mechanisms that could potentially drive COVID-19-related variation across age groups. Our findings call for further research on the role of cross-reactivity to eHCoVs and highlight data interpretation challenges arising from health care capacity and SARS-CoV-2 testing.
doi_str_mv 10.1186/s12916-020-01887-1
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Results We hypothesise that primary exposure with any eHCoV confers temporary cross-protection against severe SARS-CoV-2 infection, while life-long re-exposure to the same eHCoV diminishes cross-protection, and increases the potential for disease severity. We show numerically that our proposed mechanism can explain age patterns of COVID-19 hospitalisation in EU/EEA countries and the UK. We further show that some of the observed variation in health care capacity and testing efforts is compatible with country-specific differences in hospitalisation rates under this model. Conclusions This study provides a "proof of possibility" for certain biological and epidemiological mechanisms that could potentially drive COVID-19-related variation across age groups. 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We also model the emergent dynamics of SARS-CoV-2 and the risk of hospitalisation upon infection. Results We hypothesise that primary exposure with any eHCoV confers temporary cross-protection against severe SARS-CoV-2 infection, while life-long re-exposure to the same eHCoV diminishes cross-protection, and increases the potential for disease severity. We show numerically that our proposed mechanism can explain age patterns of COVID-19 hospitalisation in EU/EEA countries and the UK. We further show that some of the observed variation in health care capacity and testing efforts is compatible with country-specific differences in hospitalisation rates under this model. Conclusions This study provides a "proof of possibility" for certain biological and epidemiological mechanisms that could potentially drive COVID-19-related variation across age groups. 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C.</au><au>Alcantara, Luiz C. J.</au><au>Giovanetti, Marta</au><au>Gupta, Sunetra</au><au>Lourenco, Jose</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Potential impact of individual exposure histories to endemic human coronaviruses on age-dependent severity of COVID-19</atitle><jtitle>BMC medicine</jtitle><stitle>BMC MED</stitle><addtitle>BMC Med</addtitle><date>2021-01-12</date><risdate>2021</risdate><volume>19</volume><issue>1</issue><spage>19</spage><epage>19</epage><pages>19-19</pages><artnum>19</artnum><issn>1741-7015</issn><eissn>1741-7015</eissn><abstract>Background Cross-reactivity to SARS-CoV-2 from exposure to endemic human coronaviruses (eHCoV) is gaining increasing attention as a possible driver of both protection against infection and COVID-19 severity. Here we explore the potential role of cross-reactivity induced by eHCoVs on age-specific COVID-19 severity in a mathematical model of eHCoV and SARS-CoV-2 transmission. Methods We use an individual-based model, calibrated to prior knowledge of eHCoV dynamics, to fully track individual histories of exposure to eHCoVs. We also model the emergent dynamics of SARS-CoV-2 and the risk of hospitalisation upon infection. Results We hypothesise that primary exposure with any eHCoV confers temporary cross-protection against severe SARS-CoV-2 infection, while life-long re-exposure to the same eHCoV diminishes cross-protection, and increases the potential for disease severity. We show numerically that our proposed mechanism can explain age patterns of COVID-19 hospitalisation in EU/EEA countries and the UK. We further show that some of the observed variation in health care capacity and testing efforts is compatible with country-specific differences in hospitalisation rates under this model. Conclusions This study provides a "proof of possibility" for certain biological and epidemiological mechanisms that could potentially drive COVID-19-related variation across age groups. Our findings call for further research on the role of cross-reactivity to eHCoVs and highlight data interpretation challenges arising from health care capacity and SARS-CoV-2 testing.</abstract><cop>LONDON</cop><pub>Springer Nature</pub><pmid>33430856</pmid><doi>10.1186/s12916-020-01887-1</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-1953-2106</orcidid><orcidid>https://orcid.org/0000-0002-9318-2581</orcidid><oa>free_for_read</oa></addata></record>
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subjects Age
Age Factors
Age factors in disease
Analysis
Antibodies
Coronaviridae
Coronavirus - classification
Coronavirus - immunology
Coronavirus Infections - epidemiology
Coronavirus Infections - immunology
Coronavirus Infections - therapy
Coronaviruses
COVID-19
COVID-19 - epidemiology
COVID-19 - immunology
COVID-19 - physiopathology
Cross Protection - immunology
Cross Reactions - immunology
Cross-protection
Cross-reactivity
Data interpretation
Disease transmission
Endemic coronaviruses
Endemic Diseases
Epidemics
Epidemiology
Exposure
Fatalities
General & Internal Medicine
Health aspects
Health care
Health risks
Hospitalization - statistics & numerical data
Humans
Illnesses
Immunity, Heterologous - immunology
Immunopathology
Infections
Life Sciences & Biomedicine
Mathematical model
Mathematical models
Medical research
Medicine, Experimental
Medicine, General & Internal
Patient-Specific Modeling
Physiological aspects
Population
Reactivity
SARS-CoV-2
SARS-CoV-2 - immunology
Science & Technology
Severe acute respiratory syndrome
Severe acute respiratory syndrome coronavirus 2
Severity of Illness Index
Viral diseases
title Potential impact of individual exposure histories to endemic human coronaviruses on age-dependent severity of COVID-19
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