This is the septicaemic plague , where the flea bite carries the bacteria directly into the blood stream , and death occurs very rapidly .
These types of infection probably both played a significant part in the Black Death , while a third strain was more rare .
This is the septicaemic Black Death , where the flea bite carries the bacteria directly into the blood stream , and death occurs very rapidly .
These types of infection probably both played a significant part in the Black Death , while a third strain was more rare .