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Detection of WA1 IgG and B. microti IgG among blood donor specimensa
| State | No. of specimens with result |
|||
|---|---|---|---|---|
| B. microti IgG−, WA1 IgG− | B. microti IgG+, WA1 IgG− | B. microti IgG−, WA1 IgG+ | B. microti IgG+, WA1 IgG+ | |
| Oregon | 96 | 2 | 2 | 0 |
| California | 97 | 0 | 3 | 0 |
| Arizona | 100 | 0 | 0 | 0 |
| North Dakota | 99 | 0 | 1 | 0 |
| Kansas | 96 | 0 | 3 | 1 |
| Texas | 96 | 0 | 4 | 0 |
| Alabama | 99 | 0 | 1 | 0 |
| Maryland | 98 | 0 | 2 | 0 |
| Massachusetts | 98 | 1 | 1 | 0 |
| Total | 879 | 3 | 17 | 1 |
n = 100 for each state.
