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.
The HA sequences of H7N1, H7N7, and H7N9 available in the Influenza Virus Resource data base in early 2012-2015 were aligned by Clustal W algorithm, and a consensus sequence was generated. The consensus sequence used in this study is shown in blue with the bacterial strain name indicated in parentheses.
