To Vaccinate or Not to Vaccinate?

What is your opinion on vaccination?
*What are vaccines and what are they made of?
*What is your opinion on vaccination, who should take them and who should avoid them if any? (Support your answer with 2 reputable sources*)

*Compare U.S. Vaccination to another country of your choice.
*What is your opinion on government mandating vaccination? For example, children cannot attend public schools if they aren’t vaccinated, healthcare professionals have to receive specific vaccines before working at hospitals.

*Support your position with a minimum of 2 reputable sources (peer reviewed journals, government or educational sites ending in .gov or .edu, textbooks, etc). Blogs and social media are not reputable sources.