31 июл 1873 г. - Hansens disease germ first discovered
Описание:
Dr. Gerhard Henrik Armauer Hansen of Norway was the first person to identify the germ that causes leprosy under a microscope. Hansen's discovery of Mycobacterium leprae proved that leprosy was caused by a germ, and was thus not hereditary, from a curse, or from a sin.Добавлено на ленту времени:
Дата:
31 июл 1873 г.
Сейчас
~ 152 г назад