Gov. Gavin Newsom signed the bill after the state Assembly and Senate passed revisions to the legislation amid a day of chaotic protests.
Health officials are attempting to locate anyone who may have been exposed to the virus or anyone showing symptoms.
The Democratic 2020 candidate once called clinical depression a "scam."
Darryl Albert Varnum is charged with making a threat against an official for a voicemail that said he would kill a Florida lawmaker, Capitol Police said.
California's drop in unvaccinated kindergartners should make the rest of the country take notice, a new study says.
Gov. Gavin Newsom said he feared the legislation would inject government bureaucracy into doctor-patient relationships.
“While I understand and respect freedom of religion, our first job is to protect the public health," the governor said.
The Siena College Research Institute poll comes as the state grapples with the largest outbreak in this year's U.S. measles resurgence.
The U.S. will lose its measles elimination status if the outbreaks continue, the CDC warns.
A new law won't grant exemptions for the measles, mumps and rubella vaccine for personal or philosophical reasons.
A spokeswoman told HuffPost the company is cracking down on hashtags attached to posts containing factually incorrect content.
The state has the highest kindergarten vaccine exemption rate in the country. Democrats want to change that.
Pennsylvania is the latest state to report a case to the CDC, bringing the number of states to 23.
A doctor breaks down what you need to know about your immunization status and whether you need a booster or not.
Gather and compile all of your past diagnoses, vaccines and more so you actually know your own health information.
The president previously implied there was a link between vaccines and autism.
The legislation would require the state health department to vet medical exemptions.
A group of anonymous parents filed the lawsuit on Monday against local health officials over their new mandatory measles vaccination order.
The state is one of 17 that allows exemptions for "personal, moral or other beliefs.” That may soon change.