In the 15th and 16th centuries, the English sweating sickness...

In the 15th and 16th centuries, the English sweating sickness epidemics killed thousands of people and then the disease disappeared.  The contagious disease came on suddenly and could kill within hours.  The cause and disease itself remains unknown. – WTF Fun Facts

Source: https://en.wikipedia.org/wiki/Sweating_sickness

from WTF Facts : funny, interesting & weird facts http://bit.ly/2Wps9qm
via IFTTT