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.
Bayesian phylogenetic visualization of isolate metadata produced using BEAST with replicate samples removed. Branch lengths represent time, with dates shown beneath the tree. Country, farm, and host of origin are indicated in the columns adjacent to the tree.
