Fig. 1.
Mean viral titre±sd of triplicate cultures of parental and NY99/MX03 point-mutant viruses in Vero cells inoculated at an m.o.i of 0.01, with a detection limit of 50 p.f.u. ml−1.
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.