Parents Protest Increase In Required Vaccinations

State and local governments across the country are requiring a growing list of vaccinations for children entering school, covering illnesses from measles, mumps, and rubella to chicken pox and flu.

Public health advocates say that the vaccines are well-tested and serve a vital role in preventing disease outbreaks, but some parents still have concerns.

Paul Offit, chief of the Division of Infectious Diseases at the Children's Hospital of Philadelphia, weighs in on the debate.