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Vaccines: Causes and effects of parents opting out




Dr. Daniel Kahn holds the Tdap vaccine, which he administers to pregnant women in their third trimester.
Dr. Daniel Kahn holds the Tdap vaccine, which he administers to pregnant women in their third trimester.
Rebecca Plevin/KPCC

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Though still a small minority, a growing number of California parents are choosing not to vaccinate their children, fearing what they believe are dangerous side effects. 

The phenomenon is frustrating public health experts, who believe the anti-vaccination movement is in part responsible for the reemergence of diseases like measles and whooping cough. 

It's an issue Southern California Public Radio's Rebecca Plevin has been looking into and she shares more. 

Related: More California parents opting out of vaccinating their kids