Historical HAI results:

February 2001
 Year

Number of counties
 Number of birds

 Number of sera
 # + EEE # + SLE
 1988 10 192 258 5 0
 1989 4 0 132 0 1
 1990 6 83 119 1 1
1991 10 331 685 3 6
1992 6 252 372 1 0
1993 5 224 367 1 0
1994 7 193 439 1 0
1995 6 214 262 0 0
1996 14 402 744 1 1
1997 6 236 565 1 0
1998 6 191 531 0 2
1999 7 235 417 12 2
2000 7 197 409 0 0
2001 

 5

237

444

0

1
 Average (1988-2001)     1.9 1.0
 Median (1988-2001)       1.0 0.5

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