A rising number of parents in more than half of states are opting out of school shots for their kids. And in eight states, more than 1 in 20 public school kindergartners do not get all the vaccines required for attendance, an Associated Press analysis found.
That has health officials worried about possible new outbreaks of diseases that were all but stamped out.
The AP analysis found more than half of states have seen at least a slight rise in the rate of exemptions over the past five years. States with the highest exemption rates are in the West and Upper Midwest.
It's "really gotten much worse," said Mary Selecky, secretary of health for Washington state, where 6 percent of public school parents have opted out....