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
Hemagglutinin and neuraminidase are found in: 
Select and explain. 
A. Norovirus, B. Hantavirus, C. Influenza virus, D. Rubella virus
C: Influenza virus
Answer: C: Influenza virus 
Explanation: Ans. C. Influenza virusHemagglutinin is for attachment to sialic acid/mucin receptors and neuraminidase/mucinase is for release/elution.