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Impact of a Nationwide Lockdown on SARS-CoV-2 Transmissibility,Italy |
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| Authors: | Giorgio Guzzetta Flavia Riccardo Valentina Marziano Piero Poletti Filippo Trentini Antonino Bella Xanthi Andrianou Martina Del Manso Massimo Fabiani Stefania Bellino Stefano Boros Alberto Mateo Urdiales Maria Fenicia Vescio Andrea Piccioli COVID- Working Group Silvio Brusaferro Giovanni Rezza Patrizio Pezzotti Marco Ajelli Stefano Merler |
| Abstract: | On March 11, 2020, Italy imposed a national lockdown to curtail the spread of severe acute respiratory syndrome coronavirus 2. We estimate that, 14 days after lockdown, the net reproduction number had dropped below 1 and remained stable at »0.76 (95% CI 0.67–0.85) in all regions for >3 of the following weeks. |
| Keywords: | coronavirus disease SARS-CoV-2 severe acute respiratory syndrome coronavirus 2 severe acute respiratory syndrome SARS viruses respiratory infections zoonoses COVID-19 lockdown reproduction number transmissibility Italy |