Number of B
3
s by State in 2006
Number of
State
American
Backgrounds
Sources of
Resistance
Nuts or
Trees
8
1
267
Alabama
19451
Total
10
1
1287
Tennessee
14
2
1064
Carolinas
7
2
802
Kentucky
19
1
3931
Indiana
11
1
689
Maryland
38
2
4837*
Pennsylvania
46
2
4502
Massachusetts
2
1
110
Vermont
39
2
1962
Maine