Infection fatality rate of COVID-19 inferred from seroprevalence data
John P A Ioannidis
Bulletin of the World Health Organization, doi:10.2471/blt.20.265892
on 9 September 2020. I contacted field experts to retrieve any important studies that may have been missed. From each study, I extracted information on location, recruitment and sampling strategy, dates of sample collection, sample size, types of antibody measured (immunoglobulin G (IgG), IgM and IgA), the estimated crude seroprevalence (positive samples divided by all samples tested), adjusted seroprevalence and the factors that the authors considered for adjustment. 7 USA (California, Los Angeles) 22 4.06 4.65 Test, sex, race and ethnicity, income 367 USA (California, San Francisco), in census tract 022 901 33 4.3 6.1 Age, sex, race and ethnicity, test USA (California, Santa Clara) 19 1.5 2.6 Test, sampling, cluster 51 USA (Idaho, Boise) 9 1.79 ND NA USA (Georgia, DeKalb and Fulton counties) 53 2.7 2.5 Age, sex, race and ethnicity 45 USA (Idaho, Blaine County) 46 22.4 23.4 Test, age, sex, household 5 USA (Indiana) 54 2.3 (IgG and RT-PCR) h 2.8 Age, race, Hispanic ethnicity 187 USA (Louisiana, Baton Rouge) 63 6 6.6 Census, race, parish, including RT-PCR positives 46 USA (Louisiana, Orleans and Jefferson Parish) 37 6.9 (IgG and RT-PCR) h 6.9 for IgG Census weighting, demographics 56 USA (New York) 23 12.5 14.0 Test, sex, age race and ethnicity, region 2 723 USA, New York
Author Country (location) Dates Sampling and recruitment Kraehling et al. 21 Germany (Frankfurt) 6-14 April Employees of Infraserv Höchst, a large industrial site operator in Frankfurt am Main. No exclusion criteria Bogogiannidou et al. 62
Greece March and April (April data used) Leftover blood samples collected from a nationwide laboratory network, including both private and public hospital laboratories (27 laboratories in total) Merkely et al. 57 Hungary 1-16 May Representative sample (n = 17 787) of the Hungarian population ≥ 14 years living in private households ( 8 283 810) Gudbjartsson et al. 58 Iceland Several cohorts between April and June a 30 576 people in Iceland, including those documented to be infected, those quarantined and people not known to have been exposed Malani et al. 61 India (Mumbai) 29 June-19 July Geographically-spaced community sampling of households, one individual per household was tested in slum and non-slum communities in three wards, one each from the three main zones of Mumbai Khan et al. 67 India (Srinagar) 1-15 July Adults (> 18 years) who visited selected hospitals across the Srinagar District Shakiba et al. 8 Islamic Republic of Iran (Guilan) April (until 21 April) Population-based cluster random sampling design through telephone call invitation, household-based Fiore et al. 31 Italy (Apulia) 1-31 May Blood donors 18-65 years old free of recent symptoms possibly related to COVID-19, no close contact with confirmed..
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doi:10.1038/s41591-020-0949-6DOI record:
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