The Top 20 Deadliest Diseases in the World

One of the worst ways for the human population to be thinned is to die from disease. Millions of people each year have perished as a result of one of any number of seemingly unstoppable diseases. Throughout history mankind has suffered the crippling and mortal effects of a ravaging disease brought on by any number of target factors ranging from animals to one single human host. Here are but ten, in no particular order, that have decimated humankind since the earliest recordings.