An official website of the United States government
Here's how you know
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.
Maximum clade credibility tree of HA gene of the Chilean 2018 equine IAV and closest reference sequences. The Chilean equine IAV 2018 belongs to a single monophyletic cluster with A/equine/East Lothian/2/2018 (H3N8). Closely related viruses are highlighted with green dots