Figure 1.
Incidence of positive cases of SARS-CoV-2 infection in Italy and Umbria from the beginning of viral spread in Italy in January 2020 to December 2023 [19].
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.