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.
Balb/C mice (10/group) were infected by nasal inhalation method with wild type (H99), aap4Δ, aap5Δ and the double mutant aap4Δ/aap5Δ. Survival was followed during the course of the infection. p values were <0.05 for the comparisons between wild type and mutants.
