Polish biologist “Rudolf Stefan Jan Weigl” known for the development of
Polish biologist “Rudolf Stefan Jan Weigl” known for the development of the Typhus vaccine. Epidemic typhus or louse-borne typhus is a disease caused by the bacterium Rickettsia prowazekii. Rickettsia prowazekii is a gram-negative, rod-shaped, aerobic bacteria. The pathogen is transmitted by […]