This spring and summer, the Sabin Vaccine Institute (Sabin) has been amplifying the voices of parents who immunize through the Give Your Kids A Shot campaign on Twitter

Happy Father's Day, Dads! On this special day where fatherhood is cherished, we asked several dads why they got their kids vaccinated. Here is what they had to say.

Vaccines are healthcare’s first line of defense. From polio to pertussis, rubella to rotavirus, vaccination has saved more lives than any other medical advance in recent history.