Figure 5.
Transmission kernel obtained from full 2007 data. This kernel shows almost distance-independent “transmission” over a large spatial range (up until about 80–100 km).
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.