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.
SPPV34, YMTV34, SPV032, and M029 cannot complement the deletion of E3 in vivo. BALB/c mice were infected with 105 or 106 PFU per mouse of the indicated viruses via intranasal inoculation. Animals were weighed daily and monitored for clinical signs. Mice were euthanized when they reached >20% weight loss in combination with clinical signs including inactivity, hunched posture, and piloerection.
