experiments on guinea pigs have shown that a pronounced revaccination effect develops in the animals receiving the booster injection of fraction i of pasteurella pestis 1.5 -- 4 months after the primary immunization with live plague vaccine , while the booster injection of live plague vaccine produces a low revaccination effect due to the fact that this vaccine is badly adapted in the body after the primary immunization .
C0042211
live
C0042210
vaccine