This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
KLB is another name for 
Select and explain. 
A. Corynebacterium diphtheria, B. Corynebacterium pseudodiphtheriae, C. Corynebacterium tetani, D. Anthrax
A: Corynebacterium diphtheria
Answer: A: Corynebacterium diphtheria 
Explanation: Diphtheria bacilli were first observed and described by Klebs in 1883 and first cultivated by Loeffler in 1884 - hence called Klebs- Loeffler's bacilli or KLB. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 239