A recent poll by The Washington Post and Kaiser Family Foundation (KFF) revealed that 1 in 6 American parents have delayed or skipped at least one childhood vaccine, not counting the flu and COVID-19 shots (1). And 9% of the surveyed parents also admitted to skipping core vaccinations, like polio or measles, mumps and rubella (MMR). Experts, as with the Centers for Disease Control and Prevention (CDC), say that childhood vaccines are built to save lives and protect kids — so why are these parents choos ...