Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/229182
Authors: 
Kahanec, Martin
Lafférs, Lukáš
Schmidpeter, Bernhard
Year of Publication: 
2021
Series/Report no.: 
GLO Discussion Paper No. 775
Abstract: 
More than a year since the first outbreak in China in December 2019, most countries are still struggling to contain the COVID-19 pandemic. Mass antigen testing has been proposed as an instrument to mitigate the spread of the disease and allow the economy to re-open. We investigate the potential benefits of mass antigen testing for the mitigation of the pandemic, using data from a uniquely designed testing that took place in Slovakia in autumn 2020. As the first country in the world, Slovakia implemented and repeated mass rapid antigen testing. After the first round of nation-wide testing, only districts above an ex-ante unknown prevalence threshold were re-tested. Comparing districts in the neighborhood above and below the threshold using a quasi-experimental design, we find that repeated mass antigen testing reduces infections by about 25-30% and results in a decrease in R0 of 0.3 two weeks after the testing. These effects peaked about 15 days after the second round of testing and 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 it would need to be conducted regularly in relatively short intervals.
Subjects: 
COVID-19
COVID-19 policies
Causal impact
Antigen testing
Mass test- ing
Non-pharmaceutical interventions
JEL: 
D04
I18
J22
Document Type: 
Working Paper

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