Each year, many people get a flu shot to protect themselves fromthe flu. Why give flu shots rather than \"booster\" injections? Whyis last year’s flu shot ineffective against this year’s flu? As aclass, discuss which of the following methods would be the besttype of vaccination for fending off the flu, and explain yourreasoning: A. IM (intramuscular) Injection B. Nasal Spray C. ID(intradermal) injection
