Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

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.

View full-text article in PMC

. 2015 Jul;21(7):1189–1191. doi: 10.3201/eid2107.140981

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

This is a publication of the U.S. Government. This publication is in the public domain and is therefore without copyright. All text from this work may be reprinted freely. Use of these materials should be properly cited.

PMC Copyright notice

Amino acid sequence alignment of the hemagglutinin protein of swine influenza virus (SIV) (H3N2) strain A/Pavia/07/2014 (bold) and other SIVs. Antigenic sites A, B, C, D, and E of H3 HA are highlighted in green, magenta, blue, gray, and yellow, respectively, as proposed by others (11). Amino acid changes with respect to the A/Aichi/2/1968 strain are indicated for each strain.