Biology, 18.12.2020 22:30, qurreab26

Immunization against an influenza virus does not provide long-term protection against the disease because: * The virus destroys the vaccine before it has a chance to work
The serum in the vaccination expires within the body
The virus undergoes genetic changes
Antibodies do not work against viruses

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Immunization against an influenza virus does not provide long-term protection against the disease be...