This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Human to human transmission not seen in - 
Select and explain. 
A. SARS, B. Japanese B encephalitis, C. Bird's flu, D. Poliomyelitis
B: Japanese B encephalitis
Answer: B: Japanese B encephalitis 
Explanation: japaneseB encephalitis human infection is tangential'dead end' eventbird to bird transmisdion occur REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE521