From: Transmission efficiency of the plague pathogen (Y. pestis) by the flea, Xenopsylla skrjabini, to mice and great gerbils
Days p.i.
Flea used **
Mice bit
Average flea per mice
Infected mice
Infection rate (%)
1
60
12
5
0
2
8.3
3
4
45
3.6
28
10
2.8
6
22
2.1
10.0
7
8
1.6
Total
/
73
5.48