A look at some vaccine-related legislation in several states

Several state legislatures are debating vaccine-related measures as dozens of people have fallen ill from a measles outbreak that started at Disneyland in December and spread beyond the theme park. Here is a look at some of the legislation around the country: Three California lawmakers, all Democrats, introduced legislation this week that would require parents to vaccinate their children before they enter school unless the child cannot be immunized because of a medical condition.