Final answer:
The bacterial disease that is transmitted by fleas and/or ticks is typhus.
Step-by-step explanation:
The bacterial disease that is transmitted by fleas and/or ticks is typhus. Typhus is caused by bacteria of the genus Rickettsia and is transmitted to humans through the bite of infected fleas, lice, or ticks. The two main types of typhus are epidemic typhus, which is transmitted by body lice, and murine typhus, which is transmitted by fleas.