Oregon’s kindergarten nonmedical vaccine exemption rate hit a record 10.9% in the 2025-26 school year, up nearly 60% from five years ago. Only 85.6% of Oregon kindergartners are fully vaccinated, well below the 93% threshold needed for measles herd immunity. The decline accelerated after the COVID-19 pandemic, with exemption rates climbing from 6.9% in 2021-22 to 10.9% today. Oregon reported 23 measles cases in 2026 and 1,475 pertussis cases in 2025, the highest whooping cough total in 75 years. More than one-third of Oregon schools with 10+ students fail to meet the 93% measles vaccination baseline for outbreak prevention. A…

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