Religious exemptions have risen over decades in Massachusetts. Medical exemptions that bypass immunization have fallen in the state. None of the major religions have mandates against vaccination, ...

But obtaining a religious exemption is not as simple as producing a signed form. Measles outbreaks in schools over the past decade prompted some states to change their policies. Some now require an ...

Add Yahoo as a preferred source to see more of our stories on Google. A health worker prepares a dose of the measles vaccine Feb. 27 at a health center in Lubbock, Texas. The debate over vaccines is ...