[Answer] Why must influenza immunizations be developed and administered on an annual basis?A. The virus mutates significantly each year.B. People develop resistance to the vaccine.C. The immunization is only strong enough for one year.D. The pharmaceutical companies produce the lowest dosage possible.

Quesiton : Why must influenza immunizations be developed and administered on an annual basis?A. The virus mutates significantly each year.B. People develop resistance to the vaccine.C. The immunization is only strong enough for one year.D. The pharmaceutical companies produce the lowest dosage possible.

Answer: C

Most relevent text from all around web: Why must influenza immunizations be developed and administered on an annual basis?A. The virus mutates significantly each year.B. People develop resistance to the vaccine.C. The immunization is only strong enough for one year.D. The pharmaceutical companies produce the lowest dosage possible. Why must influenza immunizations be developed and administered on an annual basis? A. The virus mutates significantly each year. B. People develop resistance to the vaccine. C. The immunization is only strong enough for one year. D. The pharmaceutical companies produce the lowest dosage possible . Why must influenza immunizations be developed and administered on an annual basis? A. The virus mutates significantly each year. B. People develop resistance to the vaccine. C. The immunization is only strong enough for one year. D. The pharmaceutical companies produce the lowest dosage possible . Why must influenza immunizations be developed and administered on an annual basis? A. The virus mutates significantly each year. B. People develop resistance to the vaccine. C. The immunization is only strong enough for one year. D. The pharmaceutical companies produce the lowest dosage possible . Thu Jan 17 2019 · The virus mutates significantly each year. B . People develop resistance to the vaccine. C. The immunization is only strong enough for one year. D . The pharmaceutical companies produce the lowest dosage possible . 109. The drug commonly used to … All of influenza B is related to one of two original types. Influenza A has different H and N antigens. Both the Spanish flu and the swine flu were H1N1 influenza A viruses. Influenza virus changes slightly or ...