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Table 1 Infection rates of X. skrjabini fed by blood with different bacteremia

From: Transmission efficiency of the plague pathogen (Y. pestis) by the flea, Xenopsylla skrjabini, to mice and great gerbils

Bacteremia (CFU/ml) Bacteria taken(CFU)* Total fleas Infected fleas Infection rate (%)
1.0 × 108 5.0 × 103 24 4 16.7
1.0 × 109 5.0 × 104 32 13 40.6
2.0 × 109 1.0 × 105 30 13 43.3
5.0 × 109 2.5 × 105 49 25 51.0
8.0 × 109 4.0 × 105 42 27 64.3
1.0 × 1010 5.0 × 105 48 36 75.0
  1. *Average bloodmeal volume for X. skrjabini was estimated to be 0.05 μl [18].