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 B/Massachusetts/02/2012 (underlined, bold) was used as reference in TREESUB. The consensus HA tree and the transcribed aminoacid substitutions were visualized in fig tree. The scalebar represents the average number of nucleotide substitutions per site. Genetic groups Y3 and Y2 are depicted in the tree. DRC isolates (bold) clustered in the Y2 lineage.
