This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
Which influenzae strain, not of human origin and can cause pandemic: 
Select and explain. 
A. H1.N1, B. H2 N2, C. H5 N1, D. H9 N1
C: H5 N1
Answer: C: H5 N1 
Explanation: H5N1 ref : ananthanaryana 10ed.