Y. pestis Strain Challenge dose (cfu) Total
100000 10000 1000 100 10
2005 1 2 2 3 3 11
2501 0 1 1 1 3 6
2504 0 1 2 2 3 8
2510 0 2 1 3 3 9
99082 0 2 0 1 2 5
Total 1 8 6 10 14 39
Table 1: Mount of the challenged mice euthanized on 14th day.