Disease became man’s greatest enemy because it was almost impossible to avoid. Let’s take a look at some of the worst diseases to catch during the middle ages. US, Ukraine agree to terms on ...

When the number of cases increases than what is expected, it is known as an outbreak ... several epidemics of infectious diseases. Here, take a look at the worst outbreaks in the history of ...

Even when some of the worst diseases known to humankind threaten lives, there have always been those who fear the vaccine more than the disease. In the early 1800s, some people rejected the ...