Proposed changes to California's 2015 vaccination law now being considered in the Legislature would limit medical exemptions.
Sen. Richard Pan is proposing a bill to curb medical exemptions for vaccinations of public school students.
As California's strict vaccination law turns a year old, vaccination rates have reached their highest levels.
With the new vaccination law, California becomes a worldwide leader in promoting childhood vaccinations.
More than 92 percent of California kindergartners are fully vaccinated.
Explore how a California measles outbreak spurred one of the strictest vaccination laws in the country.
In the midst of a nationwide measles outbreak tied to unvaccinated children and adults in California, the nation's leading autism advocacy group has changed its position and now clearly states there is no link between vaccinations and autism.
Got a child who is in, or will be entering, kindergarten? Use our database below to see the vaccination rates at your child's school.
The largest outbreak of measles in California in years is prompting school officials to redouble their efforts to convince parents to vaccinate their children.