saving them from measles and polio saving them from measles and polio saving them from measles and polio saving them from measles and polio Vaccines are Effective saving them from measles and polio Vaccines help to prevent disease vaccines are licensed, according to vaccines.gov dropped off dramatically, according to vaccines.gov shows saving them from measles and polio Vaccines are effective. Vaccines are Effective Vaccines help to prevent disease vaccines.gov said vaccines aren't 100 percent perfect saving them from measles and polio Decades