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.
(A) The magnification based on the red box of (B) and the branches colored in red represent the E-30 isolates from the collective outbreak of this study in 2015. (B) The midpoint-rooted maximum likelihood phylogenetic tree of 446 E-30 strains isolated from China. The scale bars represent the substitutions per site per year. The lineages 1 and 2 show the transmission lineages of E-30 in China, including the timespan of E-30 strains.
