The Impact of Mass Antigen Testing for COVID-19 on the Prevalence of the Disease

Martin Kahanec, Lukas Laffers and Bernhard Schmidpeter ()
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Bernhard Schmidpeter: Vienna University of Economics and Business

No 14228, IZA Discussion Papers from Institute of Labor Economics (IZA)

Abstract: More than 100 million people have been infected and 2.5 million people have died of COVID-19 globally as of February 2021. Mass antigen testing could help to mitigate the pandemic and allow the economy to re-open. We investigate the effects of mass antigen testing on the pandemic, using data from a uniquely designed nation-wide testing implemented in Slovakia in Autumn 2020. After the first round, only districts above an ex-ante unknown prevalence threshold were re-tested. Comparing districts above and below the threshold using a quasi-experimental design, we find that repeated mass antigen testing reduced infections by about 25-30% and decreased R0 by 0.3 two weeks after the re-testing; the effects on incidence peaked around that time and all effects gradually dissipated afterward. These results suggest that mass testing could be an effective tool in curbing the spread of COVID-19, but for lasting effects regular retesting would be necessary.

Keywords: COVID-19; mass testing; antigen testing; non-pharmaceutical interventions; COVID-19 policies (search for similar items in EconPapers)
JEL-codes: D04 I18 J22 (search for similar items in EconPapers)
Pages: 37 pages
Date: 2021-03
New Economics Papers: this item is included in nep-hea and nep-tra
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

Published - published in: Journal of Population Economics, 2021, 34, 1105 - 1140

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Working Paper: The Impact of Mass Antigen Testing for COVID-19 on the Prevalence of the Disease (2021)
Working Paper: The Impact of Mass Antigen Testing for COVID-19 on the Prevalence of the Disease (2021)
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