Polio? Mumps? Chicken pox? Many SoCal kids lack required vaccinations

There were enough unvaccinated students at about 5% of California’s public schools to fuel outbreaks of preventable childhood diseases last year, according to audit data from the state — and another 1% of schools failed to report the data entirely.

More than 500 schools had 10% or more of their students on “conditional admission” or overdue for required shots...