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.
Competitive indices were determined 3 days following oral inoculation of 129/svImJ mice infected with an equal mixture of the indicated 2 strains. Values from spleen and liver for individual mice are shown as diamonds and circles respectively, and the mean is shown as a horizontal bar.
