TABLE 1.
Transmission of E. coli O157:H7 between inoculated donors and naïve swine
| Time postexposure | No. of pigs shedding/no. exposed by CFU/ga
|
||||||
|---|---|---|---|---|---|---|---|
| <102 | 102 | 103 | 104 | 105 | 106 | 107 | |
| 3 days | 2/4 | 1/4 | 3/4 | 2/2 | 3/3 | 1/1 | 1/1 |
| 2 weeks | 2/4 | 2/4 | 3/4 | 2/2 | 2/3 | 1/1 | 1/1 |
a
The results represent the number of naïve pigs shedding/number of naïve pigs exposed in terms of the CFU per gram shed by the inoculated donor on day 0. Day 0 is the day that the inoculated donors were moved into a different room and penned with a naïve pig.