Abstract
Comment: weekly COVID-19 testing with household quarantine and contact tracing is feasible and would probably end the epidemic.
Highlights
Peto et al [1] suggest that weekly testing of the entire UK population for SARS-CoV-2 combined with household quarantine could rapidly end the spread of COVID-19
The results for Reff above assume that the household secondary attack rate (SARhome) is 20%, which means that around 12% of transmission is within households
A simple model shows that mass weekly testing and household quarantine, even if it were perfectly achievable, would not be sufficient to control the spread of COVID-19
Summary
Peto et al [1] suggest that weekly testing of the entire UK population for SARS-CoV-2 combined with household quarantine could rapidly end the spread of COVID-19. The results for Reff above assume that the household secondary attack rate (SARhome) is 20%, which means that around 12% of transmission is within households. Since the proportion of household transmission may vary in different communities, we calculated Reff over a range of values of SARhome while keeping R0 fixed at 2.5 (figure 1b).
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