Which of the following is not true of influenza?
A) Influenza has glycoprotein spikes of hemagglutinin (H) and neuraminidase (N) .
B) Antigenic drift changes the antigens to reduce immune recognition.
C) Antigenic shift causes changes in the RNA strands.
D) Influenza B viruses undergo both antigenic drift and antigenic shift.
E) H5N1 is the bird flu strain that may cause a pandemic.
Correct Answer:
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