Figure 1.
Spatiotemporal analysis of infectious bursal disease virus (IBDV) strains with various phenotypes in China. (a) The proportion of IBDV strains with various phenotypes. (b) Temporal distribution. (c) Geographical distribution.
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.