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.
In our model, infection can either spread in cross (or quincunx) pattern or a square pattern. The red node demonstrates the infected cell. R determines how many layers of neighbouring cells can be affected by the infected cell in the middle of each pattern.
