Changes in Tdap and MCV4 Vaccine Coverage Following Enactment of a Statewide Requirement of Tdap Vaccination for Entry Into Sixth Grade

Elyse Olshen Kharbanda · Melissa S. Stockwell · James Keith Colgrove · Karthik Natarajan · Vaughn I. Rickert

37 citations0/0 files storedAmerican Journal of Public Health

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Vaccine Coverage and Hesitancy Bacterial Infections and Vaccines Diphtheria, Corynebacterium, and Tetanus

Abstract

OBJECTIVES: We evaluated changes in tetanus toxoid, reduced diphtheria toxoid, acellular pertussis (Tdap), and tetravalen meningococcal (MCV4) vaccine coverage following enactment of a New York State mandate requiring Tdap before entering sixth grade. METHODS: Using data from a hospital-based immunization registry, we measured Tdap and MCV4 coverage among youths aged 11 to 14 years in New York City at 3 time points: premandate, mandate year 1, and mandate year 2. RESULTS: Among overlapping cohorts of 4316 (premandate), 4131 (mandate year 1), and 3639 (mandate year 2) youths, Tdap coverage increased steadily over time (29%, 58%, and 83%, respectively). Increases were observed among all ages. Across the same time points, MCV4 coverage also increased (10%, 30%, and 60%, respectively). Most adolescents did not receive MCV4 during the same visit they received Tdap. CONCLUSIONS: A Tdap school-entry mandate was associated with substantial increases in immunization coverage, even in age groups not directly affected by the mandate. At the postmandate time points, MCV4 coverage remained lower than Tdap coverage. Provider education should emphasize the importance of reviewing vaccine records and administering all recommended vaccines at every clinical encounter.

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References

2004Children Who Have Received No Vaccines: Who Are They and Where Do They Live?2006Nonmedical Exemptions to School Immunization Requirements 2008Geographic Clustering of Nonmedical Exemptions to School Immunization Requirements and Associations With Geographic Clustering of Pertussis 2008Protecting Public Trust in Immunization 2009National, state, and local area vaccination coverage among adolescents aged 13-17 years - United States, 2008.2005Challenges to Vaccinating Adolescents 2004A Middle School Immunization Law Rapidly and Substantially Increases Immunization Coverage Among Adolescents 2005The impact of a school entry law on adolescent immunization rates

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