After a four-hour hearing, California lawmakers approved Senate Bill 277, which prevents most exemptions (opting out) for parents trying to avoid vaccinating their children due to personal beliefs. The bill was proposed in the wake of the Disneyland measles outbreak that began in December. The final vote on the bill was 6-2. However, it must pass through several more hearings before a possible Senate floor vote, and then go through the state Assembly, and then to Gov. Jerry Brown (whose vaccine beliefs are