Tracking the progressive spread of the SARS-CoV-2 Omicron variant in Italy, December 2021 - January 2022
Tracking the progressive spread of the SARS-CoV-2 Omicron variant in Italy, December 2021 - January 2022
Abstract The SARS-CoV-2 variant of concern Omicron was first detected in Italy in November 2021. Data from three genomic surveys conducted in Italy between December 2021 and January 2022 suggest that Omicron became dominant in less than one month (prevalence on January 3: 78.6%-83.8%) with a doubling time of 2.7–3.1 …