He was suffering from leprosy.

In old Japan, leprosy was considered an incurable disease.

Last night, a strong lightning roared.

He always greets politely.

He visits our store every week.

Suddenly, a severe thunderstorm hit the town.

Have you ever been to Carolina?

Mycobacterium leprae is the bacterium that causes leprosy.

He was banished from the village as a leper.

He devoted his life to the study of leprosy.