black rats.
By a Flea. They got to the rats first then when the rats died the fleas came for humans causing the Black or the Bubonic Plague
Ships were transported back from China which were carrying black rats (Infected Rats) and the fleas that lived on them sucked their blood and then sucked humans blood, therefore giving us the infected blood, therefore giving us the bubonic plague.
Bubonic plague is usually transmitted by infected fleas. These fleas typically live on rodents, in particular rats.
Rats were the vector of the bubonic plague
The rats and fleas carried the black death ** Correction... Rat fleas carried the Bubonic Plague. There is still speculation as to whether the black death was actually bubonic plague as there are very many differences between the pandemics. One theory is that the black death was actually Ebola.
the bubonic plague, spread by rats bitten bye infected fleas
Bubonic Plague was spread by being bitten by fleas that had bitten infected rats.
Beacause rats have fleas.
Bubonic plague
It was spread by fleas. Apex
The answer is bubonic plaque
There would be less bubonic plague'