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Take the vaccine quiz: It's good for you

As vaccines dominate the political conversation, see how much you know about the debate.
Miami Children's Hospital pediatrician Dr. Amanda Porro, M.D prepares to administer a measles vaccination to a child at the Miami Children's Hospital on Jan. 28, 2015 in Miami, Fla. (Photo by Joe Raedle/Getty)
Miami Children's Hospital pediatrician Dr. Amanda Porro, M.D prepares to administer a measles vaccination to a child at the Miami Children's Hospital on Jan. 28, 2015 in Miami, Fla.

Vaccines were a hot topic of debate among politicians this week, with some questioning whether they should be mandatory for children and others vigorously defending their use to prevent the spread of disease. How much do you know about the history and efficacy of vaccines and the conversation around them?

New revelations have emerged regarding a letter of support the potential candidate wrote to an anti-vaccination activist in 2009.

Read more about Hillary Clinton's response to the vaccination debate.

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