Black Death Pandemic (1 ene 1347 año – 1 ene 1351 año)

Descripción:

Where: Europe

Disease: Bubonic Plague

Cause: Yerinsia pestis bacteria

Transmission: Carried on fleas that are carried by rodents such as rats. Most likely reached Europe via the Silk Road or by ship.

Symptoms:
-Swollen lymph nodes (buboes)
-Can spread to bloodstream and lungs to cause other forms of plague
-If bloodstream is infected, death often comes on the same day symptoms first appear
-If lungs become infected, death can come in as little as one day

Death toll: Estimated 75-200 million across Eurasia

End: Burned itself out by killing its carriers. Another outbreak won't happen unless infected fleas from Asia are reintroduced, repeating the process.