truedeam59
Forum Elite
Topics: 29
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Why is it difficult to obtain a live, attenuated influenza vaccine?
A-Antigen drifting resulting from major point mutations in the matrix protein
B-The host immune response is poor
C-Antigen shifts involving changes in hemagglutinin (H) , neuraminidase (N), or both occur
D-It is not possible to serotype the virus properly
E-It is not possible to isolate the virus
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| mjl1717
Forum Hero
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answer-c?
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Smell the coffee! "Is That an Osler move??"
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| truedeam59
Forum Elite
Topics: 29
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 99
could you explain
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| mast.cell
Forum Newbie
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C
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