Fig. 1.
The R38A influenza A/Udorn/72 mutant virus is attenuated. (Upper) Size of the plaques of the WT and R38A mutant viruses on MDCK cells. (Lower) Growth curve of the WT and R38A mutant viruses after low moi of MDCK cells.
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.