TABLE 1.
MRSA-positivea volunteers after farm visit
| Trial no.b | No. of volunteers | No. (%) of MRSA-positive volunteers according to time after leaving stable |
|||||
|---|---|---|---|---|---|---|---|
| 0 h | 1 h | 2 h | 1 day | 2 days | 7 days | ||
| 1 | 24 | 24 (100) | 13 (54) | 5 (21) | 1 (4) | 1 (4) | 0 |
| 2 | 24 | 24 (100) | 18 (75) | 12 (50) | 4 (17) | 4 (17) | 1 (4) |
| 3 | 24 | 19 (79) | 11 (46) | 3 (13) | 2 (8) | 1 (4) | 0 |
| 4 | 22 | 21 (95) | 8 (36) | 2 (9) | 3 (14) | 0 (0) | 0 |
| All trials | 94 | 88 (94) | 50 (53) | 22 (23) | 10 (11) | 6 (6) | 1 (1) |
a
After enrichment culture.
b
Trials 1 and 2, high MRSA exposure in the stable; trials 3 and 4, low MRSA exposure in the stable.