jul 14, 1873 - Leprosy
Description:
Dr. Hansen in Norway was the first was that was able to identify the germ that causes leprosy under a microscope.(from https://web.stanford.edu/class/humbio103/ParaSites2005/Leprosy/history.htm)
Added to timeline:
Date:
jul 14, 1873
Now
~ 152 years ago