According to the “bubonic plague” theory, the disease was a bacterium, Yersinia pestis spread by fleas that lived on infected black rats, which typically live in close proximity to humans. Once a colony of rats has been killed off due to the disease, starving fleas would jump over on hum...
However, the most serious problem with a bat infestation is that bats can be carriers of disease. Bat guano can contain airborne fungus spores that can cause histoplasmosis. While this is rare, it can become severe, causing influenza-like symptoms, pneumonia, and even death. Bats can also ...