Mycobacterium leprae

What areas of the body are affected by Mycobacterium leprae?
How contagious is leprosy?
What is stigmatization of disease?
There are many consequences of stigmatism of leprosy; state one.
Consider the different forms of plague:
What did people of ancient times think was the cause of leprosy and plague?
What was the flagellant movement (including why it occurred)?
Explain the difference between variolation and vaccination for smallpox