Transit through the Flea Vector Induces a Pretransmission Innate Immunity Resistance Phenotype in Yersinia pestis
Figure 5
Mean and range of the cumulative number of blocked flea bites received by mice.
Circles and squares indicate individual mice challenged by fleas infected with wt or ΔyitR Y. pestis 195/P, respectively. Filled symbols indicate mice that developed terminal plague; open symbols indicate mice that did not develop disease.