Fig 3. Infectious levels for (a) gilts, (b) sows, (c) piglets and (d) growing pigs under the no reinfection and reinfection scenarios.
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.