Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
The influenza vaccine is administered each year because | |
A. | mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines [Correct Answer] |
B. | it is a polysaccharide vaccine that does not confer long-term protection [Wrong Answer] |
C. | the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time [Wrong Answer] |
D. | none of the above [Wrong Answer] |