Table 1.

AIV examined in this study

IsolateSubtypeDate isolated (mo-yr or yr)Cleavage site sequenceDeletion in HA1aGenBank accession nos. (hemagglutinin, NS, and M genes)
NA H7 LBM
 CK/NJ/15086-3/94H7N3NSAFeb-94PENPKTR/GNo AF072383, AF074267, AF073180
 CK/NY/13142-5/94H7N2NSBFeb-94PENPKTR/GNo AF072384,AF001409, AF073181
 CK/NY/4447-7/94H7N2NSAOct-94PENPKTR/GNo AF072385,AF074268, AF073182
 TK/NY/4450-5/94H7N2NSBOct-94PENPKTR/GNo AF072386,AF074269, AF073183
 GF/NY/13820-3/95H7N2NSBJan-95PENPKTR/GNo AF072387,AF074270, AF073184
 CK/NY/13833-7/95H7N2NSBJan-95PENPKPR/GNo AF072388,AF074271, AF073185
 CK/NY/19542-5/95H7N2NSBMar-95PENPKTR/GNo AF072389,AF074272, AF073186
 CK/NY/3112-1/95H7N2NSBOct-95PENPKPR/GNo AF072390,AF074273, AF073187
 CK/RI/4328/95H7N2NSBNov-95PENPKPR/GNo AF072391,AF074274, AF073188
 CK/NY/3202-7/96H7N2NSBNov-96PENPKPR/GYes AF072392,AF001410, AF073189
 CK/NY/8030-2/96H7N2NSBDec-96PENPKPR/GNo AF072393,AF074275, AF073190
 GF/PA/7777-1/96H7N2NSBDec-96PENPKPR/GYes AF072394,AF074276, AF073191
 CK/PA/11767-1/97H7N2NSBFeb-97PENPKPR/GYes AF072395,AF074277, AF073192
 CK/NY/6777-3/97H7N2NSBDec-97PENPKPR/GYes AF072396,AF074278, AF073193
 TK/PA/7975/97H7N2NSBDec-97PENPKPR/GYes AF072397,AF074279, AF073194
 CK/PA/13552-1/98H7N2NSBFeb-98PENPKPR/GYes AF072398,AF074280, AF073195
 Quail/NY/13989-51/98H7N2NSAFeb-98PENPKPR/GNo AF072399,AF074281, AF073196
NA H7 non-LBM
 TK/OR/71H7N3NSB1971PENPKTR/GNo M31689 b,U96740, AF073197
 Seal/MA/1/80H7N71980PENPKTR/GNo K00429 b
 TK/CO/13356/91H7N3NSAFeb-91PENPKTR/GNo AF072400,AF074282, AF073198
 Rhea/NC/39482/93H7N1NSAJul-93PENPKTR/GNo U20468 b,AF007036, AF073199
 Quail/AR/16309-7/94H7N3NSA1994PENPKTR/GNo AF072401,AF074283, AF073200
 TK/UT/24721-10/95H7N3NSAApr-95PENPKTR/GNo AF072402,AF074284, AF073201
Eurasian H7 isolates
 TK/England/63c H7N31963PETPKRRR/GNo U20462 b, None, None
 CK/Jena/1816/87H7N71987PEIPKGR/GNo U20469 b, None, None
 FPV/Rostock/34H7N1NSA1934PEPSKKREKR/GNo J02111 b,J02118 b, X05905 b
NA H5d
 Mallard/WI/169/75H5N3NSA1975PQRETR/GNo U85375 b,AF073202
 CK/PA/1370/83c H5N2NSA1983PQKKKR/GNo U96739 b,X13413 b
 CK/PA/13609/93H5N2NSB1993PQRKTR/GNo U85383 b,AF073203
 Emu/TX/39924/93H5N2NSA1993PQRKTR/GNo U85384 b,AF073204
 CK/Mexico/31382-7/94H5N2NSB1994PQRETR/GNo U85385 b,AF073205
  • a Presence of a 24-nucleotide deletion in the HA1 segment of the H7 isolate.

  • b Sequence obtained from GenBank.

  • c Highly pathogenic AIV.

  • d For the NA H5 isolates, only the GenBank accession numbers for the NS and M genes are given.