Immune System

Q 1. a.  WHAT is the criteria for Immunizations ?

b. what do we immunize against and why??  (15 points)

c. What are vaccines made of?

Q 2. a. Why do some vaccines need BOOSTER doses and other do not ? (15 points)

b. What is COVID-19 Vaccine made of ?

c. Of all the vaccines in use – WHY has COVID vaccine become so controversial among the US populace