Diseases have been around for thousands of years. Though ghastly at the first encounter, they usually give in to the intelligence and persistence of humans. Having said that, there have been numerous cases in the past of massive disease outbreaks that put a visible dent in the history of mankind.
As human civilizations progressed, they were struck down by the diseases. However, the pandemics brought their share of lessons to enlighten mankind about the challenges that lay ahead in the future.
So what causes such mass spreading of diseases? Which incidents were the gravest for us? And how exactly have they shaped humanity? Here’s a list of 30 catastrophes that’ll (perhaps) answer these questions.