This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Fletcher's medium containing Rabbit serum is used for ? 
Select and explain. 
A. Streptococcus, B. Bacillus anthracis, C. Leptospira, D. Borrelia
C: Leptospira
Answer: C: Leptospira 
Explanation: Ans. is 'c' i.e., Leptospira Media for the culture of leptospirae usually contain either rabbit serum (Flatcher medium, stua broth) or bovine serum albumin (EMJH medium plus long - chain fatty acids and vitamins (B1 & B12).