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.
Communities (separated by different colours) and their sub-communities (separated by black lines) of the mobility pattern of the US on 5–11 April. Yellow lines show (a) state boundaries and (b) county boundaries. Deviation of communities and sub-communities from the administrative borders are clear.
