Effectiveness of regional restrictions in reducing SARS-CoV-2 transmission during the second wave of COVID-19, Italy
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2021
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English
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Cold Spring Harbor Laboratory Press
Abstract
To counter the second COVID-19 wave, the Italian government has adopted a scheme of three sets of restrictions (coded as yellow, orange, and red) imposed on a regional basis. We estimate that milder restrictions in regions at lower risk (yellow) resulted in a transmissibility reduction of about 18%, leading to a reproduction number Rt of about 0.99. Stricter measures (orange and red) led to reductions of 34% and 45% and Rt values of about 0.89 and 0.77 respectively.
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Manica, M., Guzzetta, G., Riccardo, F., Valenti, A., Poletti, P., Marziano, V., ... & Merler, S. (2021). Effectiveness of regional restrictions in reducing SARS-CoV-2 transmission during the second wave of COVID-19, Italy. medRxiv. https://doi.org/10.1101/2021.01.10.21249532
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medRxiv
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Final published version