Which Was the First Bacterium to Be Clearly Identified as the Cause

Multiple Choice

Which was the first bacterium to be clearly identified as the cause of an infectious disease?

A) Legionella pneumophila , which causes Legionnaires' disease
B) Chlamydia sp ., which causes pelvic inflammatory disease in women
C) Clostridium botulinum , which causes botulism
D) Bacillus anthracis , which causes anthrax
E) Vibrio cholerae , which causes cholera