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Zum Themenbereich / Estimation of SARS-CoV-2 Infection Fatality Rate by Age and Comorbidity Status Using Antibody Screening of Blood Donors During the COVID-19 Epidemic in Denmark

IFR-KASPERSEN · Studien

Estimation of SARS-CoV-2 Infection Fatality Rate by Age and Comorbidity Status Using Antibody Screening of Blood Donors During the COVID-19 Epidemic in Denmark

Combinedtwo-wave IFR17–50withoutrecordedcomorbidity=3.36deaths/100,000estimatedinfections=0.00336%,approximately1in29,762infected. Standardanalysisuses30daymortality;60dayalsoexamined.

Bezug im Quellenbestand: 12.11.2021

Methode

84,944blooddonors17–69; antibody samples5Oct2020–28Feb2021; mortalitywindowsweeks11–42,2020 and43,2020–6,2021. NationalDanishpopulationmortality/registercomorbidities and donorseroprevalence.

Definition / Nenner

No hospitalcontact for25diagnosisgroups in preceding5years; diseasewithout hospitaltreatment (e.g obesity)not necessarilycaptured.

Reichweite

Danishspecificestimate,notBremenrisk. Vaccinateddonorsexcluded;secondwavedatesoverlapvaccinestart,soavoidclaimingevery nationaldeathobservationstrictlypre-vaccination. Smalldeathcounts/imprecision and healthierdonorselectionacknowledged.

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