1. Characteristics Associated With Measles, Mumps, and Rubella Coverage and Exemptions After a School Immunization Law Change in Washington, 2019-2020.
- Author
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Moore T, Graff K, and Bell TR
- Subjects
- Humans, Washington, Male, Female, Child, Adolescent, Mumps prevention & control, Vaccination Coverage statistics & numerical data, Vaccination Coverage legislation & jurisprudence, Schools, Students statistics & numerical data, Rubella prevention & control, Immunization Programs legislation & jurisprudence, Immunization Programs statistics & numerical data, School Health Services legislation & jurisprudence, Measles prevention & control, Vaccination statistics & numerical data, Vaccination legislation & jurisprudence, Measles-Mumps-Rubella Vaccine administration & dosage
- Abstract
Background: We aimed to better understand the impact of statewide legislation removing personal belief exemptions (PBEs) for the measles, mumps, and rubella (MMR) school immunization requirement and factors associated with resulting health-seeking behaviors., Methods: We used chi-squared tests and logistic regression models to determine individual- and school-level characteristics associated with holding a MMR PBE and with post-law MMR immunization status among students linked to the Washington State Immunization Information System., Results: Of students with a MMR PBE pre-law change, 43.0% completed the MMR vaccine series and 40.4% sought another exemption type. Religious exemptions made up most new MMR exemptions signed (71.8%), followed by medical exemptions (18.5%), and religious membership exemptions (9.7%). Students were more likely to complete the vaccine series post-law change if they attended a school with a low school-level MMR exemption rate, a public school, or held a lower number of school-required immunization exemptions., Conclusions: This study confirms previous concerns that parents might replace their PBE with another exemption type; however, nearly half the students in the cohort completed the MMR vaccine series. Our findings suggest that targeted immunization policies can increase MMR coverage 1-year post-law change but must account for a replacement effect when exemption categories are eliminated., (Published 2024. This article is a U.S. Government work and is in the public domain in the USA.)
- Published
- 2024
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