1. A vaccine to COVID-19 is perhaps the best way to end thepandemic. Please answer the following questions in a way that youmight explain it to an intelligent patient who is asking thefollowing questions.
a. What is a vaccine?
b. How will a vaccine help to prevent me from gettingCOVID-19?
c. There are more than 90 vaccines being developed againstCOVID-19. Three types of vaccines currently being investigated forCOVID-19 are a subunit vaccine OR a RNA vaccine OR an inactivatedvaccine. Choose one and explain what it is.
