Anti-Vaccine Activist Facing Battery Charge for Shoving State SenatorThe activist live-streamed himself pushing Senator Dr. Richard Pan on Sacramento street.
Vaccine Critic Cited After Pushing Sen. Richard Pan Near California State CapitolPolice have cited an anti-vaccine advocate for assaulting Senator Richard Pan in Sacramento in an incident all caught on video.
Sacramento-Area Doctors Accused Of Questionable Medical ExemptionsTwo Sacramento-area doctors are accused of "making easy money" by issuing vaccine exemptions. 
California Assembly Committee Backs Vaccine Exemption LawA California Assembly committee backed new rules for vaccination exemptions on Thursday following a raucous, hours-long hearing that came in the midst of a national measles outbreak and renewed scrutiny of immunization policies.
Hundreds Likely To Weigh In On California Vaccine MeasureThe hearing of the Assembly Health Committee is likely to draw those opposed to vaccines as well as white-coated medical professionals and students voicing support for the measure.
Whooping Cough Vaccine Becomes Less Effective Over Time, Study SaysThe modern vaccine for whooping cough becomes less effective as children age, a new study shows, highlighting the need for new vaccines to protect children from the highly contagious disease.
California Lawmakers Advance Tougher Vaccine RulesCalifornia lawmakers have advanced tougher rules for vaccinations even as opponents shouted "we will not comply" from the Senate gallery.
Opponents Spar Over California Vaccine Exemption BillHundreds of opponents of mandatory vaccines are in Sacramento to oppose a California proposal to give state public health officials instead of local doctors the power to decide which children can skip their shots before attending school.
Facebook Will Begin Removing Misinformation About Vaccines From Pages, GroupsFacebook, the world's largest social media site, will soon take aim against anti-vaxers. The company will start by lowering the ranking of groups and pages that spread misinformation about vaccinations in its News Feed and Search options, a representative said Wednesday.
Why Russian Trolls Stoked US Vaccine DebatesRussia's meddling online went beyond the 2016 US presidential election and into public health, amplifying online debates about vaccines, according to a new study.
Vaccination Critic Placed On Probation By Medical BoardA Southern California pediatrician and outspoken critic of mandatory vaccinations has been placed on probation for 35 months.