#1 – Bubonic Plague
This is the illness that caused the “famous” Black Death back in 1347, it killed the third of the human population, and sadly, it is still around. According to CNN, there were at least 15 cases in the United States back in 2015. Yersinia Pestis is the name of the bacteria that causes the plague and it is naturally living in areas where wild rodents exist.
People who get infected mostly were consuming an infected rodent, for example, a squirrel, rat or chipmunk. The good news is if the disease caught early, it can be easily treated with antibiotics.