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
Influenza virus culture is done on - 
Select and explain. 
A. Chorioallantonic membrane, B. Allantoic cavity, C. Yolk sac, D. ALL
B: Allantoic cavity
Answer: B: Allantoic cavity 
Explanation: Inoculation into the allantoic cavity provides a rich yield of influenza and some paramyxoviruses REF: ANANTHANARAYANAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO.434