33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
2196109
147309
2
Public Timelines
FAQ

jan 1, 1873 - Causative agent of leprosy discovered

Description:

Gerhard Henrik Armauer, Norway (Pictured: mycobacterium leprae under a microscope)

Added to timeline:

Date:

jan 1, 1873
Now
~ 152 years ago

Images: