Altering the reactivity of the influenza virus to neutralizing antibodies. - USMLE Forums
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Old 02-13-2012
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Virus Altering the reactivity of the influenza virus to neutralizing antibodies.

Alteration of which of the following influenza virus proteins of most likely to result in altered reactivity to neutralizing antibodies?

A. Hemagglutinin
B. Matric protein
C. Nonstructural protein
D. Nucleoprotein
E. Polymerase
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A. Hemagglutinin
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A
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I go for A...
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Inflenza virus infection produces neutralizing antibody against Hemagglutinin: so altered reactivity of Ab would result if alteration occurs occurs in HA
Answer is A)
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