The re-emergence of some vaccine-preventable diseases has prompted the California legislature to consider a bill that would make it more difficult for parents to opt out of vaccinating their kids.
CNN.com - U.S., CNN: Nation
Mon, 06/04/2012 - 12:22pm
The re-emergence of some vaccine-preventable diseases has prompted the California legislature to consider a bill that would make it more difficult for parents to opt out of vaccinating their kids.