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.
Some of the largest infection chains visualised — with asymptomatic transmissions highlighted (left), and with index nodes and locations of infections expressed along with a visual indication of the sizes of the chains (right). The visual analysis was also enriched with extracted graph-theoretic metrics (left-bottom).
