As a result, vaccination rates continue to decline – and in some communities, especially in California and Oregon, they have plummeted. From 1996 to 2015, there was a six-fold increase in the rate of vaccine exemptions for students entering elementary school in California.
结果，疫苗接种率持续下降——在一些社区，特别是加州和俄勒冈州，接种率更是出现了暴跌。从1996年到2015年，加州小学生未接种疫苗率增加了六倍。这不但导致了麻疹的传播，也导致了百日咳和流行性腮腺炎的蔓延。