Question

What questions you would like to ask your teacher to know about the role of vaccine in prevention of harmful diseases ​

Answer 1

Some questions that can be asked:

1) How does the vaccine work and prevent diseases?

2) Can some people become allergic or have a negative response to vaccines, and How does this work?

3) What causes some vaccines to not work 100% effectively?

4) How do people create vaccines?

I'm not sure if this is what you were asking for, hopefully, this helps.