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.
HA cleavage site amino acid sequences observed in the AIV isolates included in this study
| HA cleavage site sequence | Year observed | No. of isolates |
|---|---|---|
| P-E-N-P-K-T-R/Ga | 1994-1995, 1999 | 6 |
| P-E-N-P-K-P-R/Ga | 1995-1999, 2002 | 23 |
| P-E-K-P-K-P-R/G | 1998-2002 | 30 |
| P-E-K-P-K-T-R/G | 1995, 1998 | 2 |
| P-E-K-P-K-K-R/G | 2002 | 3 |
The sequence was originally reported by Suarez et al. (17).
