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Review
. 2021 Nov 2;17(11):4210-4215.
doi: 10.1080/21645515.2021.1972707. Epub 2021 Sep 8.

Revisiting the 2014-15 Disneyland measles outbreak and its influence on pediatric vaccinations

Margaret K Doll  1 , John W Correira  1
Affiliations
Review

Revisiting the 2014-15 Disneyland measles outbreak and its influence on pediatric vaccinations

Margaret K Doll et al. Hum Vaccin Immunother. .

Abstract

The 2014-15 Disneyland measles outbreak that began at the California theme park in December 2014 sparked an international conversation regarding measles, vaccine hesitancy, and vaccine policies. The outbreak capped a year with the highest number of measles cases reported in two decades and came amidst increasing trends in nonmedical vaccine exemptions in California and elsewhere. Because of its sensational story line and spread among unvaccinated populations, the outbreak received a high level of media coverage that focused on vaccine hesitancy as a primary driver of the outbreak. This media coverage and the ostensible public support for vaccines that followed led some to hypothesize that the outbreak might have a "Disneyland effect," or a positive influence on the uptake of pediatric measles vaccine. This article reviews the facts of the outbreak and its context, and explores the evidence for the Disneyland outbreak causing an influence on U.S. pediatric vaccine-related beliefs and behaviors.

Keywords: Disneyland; Measles; outbreak; vaccine; vaccine hesitancy.

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