1.   Bubonic plague is transmitted by fleas infected with the bacteria Yersinia pestis.

2.   Fleas also transmit tapeworms and plague, and cause anemia, even death, in severe infestations.

3.   The oriental and northern rat fleas transmit murine typhus fever among rodents and from rodents to people.

4.   Then the fever, transmitted by fleas that carried the same Black Death through Europe in the Middle Ages, struck.

5.   Bubonic plague is a contagious disease transmitted by fleas from infected rats.

6.   Bubonic and pneumonic plague are highly contagious bacterial diseases transmitted by fleas from infected rats.

7.   Infectious plague is a bacterial disease transmitted by fleas, mostly from infected rats.

8.   The disease is transmitted by fleas infecting rats which in turn infect humans, and if left untreated, can kill within three to five days.

9.   The highly contagious disease, which is transmitted by fleas from infected rats, often causes the victim to suffer a high fever and delirium.