California and other western states have clarified their recommendations for childhood vaccination schedules in the wake of ...

The so-called "super flu" – a strain that doctors say appears to last longer and be very transmissible – is spreading in ...

The California Department of Public Health on Tuesday confirmed that a mutated strain of influenza is spreading across the ...

California’s top public health officials declared vaccines as “one of the greatest achievements in modern medicine” Friday in ...

California health officials warn a new influenza A strain is spreading statewide, posing higher risks for young children and ...

California and other Western states reject CDC’s scaled-back vaccine guidance, pledging to follow full immunization schedule ...

Clinicians say federal changes to CDC childhood recommendations have spurred questions despite California’s move to follow ...

California officials warn of an increase in flu-related hospitalizations and confirm a second severe-flu-related death.

ABC30 and ABC News are taking action to keep people protected and informed, launching a tool that allows you to see your ...