Which of the following statements is FALSE?
A) All influenza viruses can infect animals,birds and humans.
B) The influenza virus has two surface glycoprotein spikes called H and N.
C) Slight changes in the surface glycoproteins of influenza viruses is called antigenic drift.
D) Some antiviral drugs inhibit the action of the enzyme neuraminidase.
E) Antigenic shift is a change in the surface glycoproteins producing a new virus type.
Correct Answer:
Verified
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A)a
Q19: Which of the following increases the risk
Q20: Immunisation for whooping cough
A)involves a single dose
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A)only affects birds and
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A)is mainly caused by fungi.
B)causes many deaths
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