FIG. 5.
Phylogenetic analysis of bat astrovirus based on its 225-aa partial ORF1a region. ORF1a of astroviruses encodes nonstructural protein proteases of ∼900 aa.
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.