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Member Research & Reports

Member Research & Reports

Emory: Study Shows More Than One Third of Children at Risk From Delayed Immunization Schedules

A collaborative group of investigators led by researchers at the Rollins School of Public Health recently conducted a study published in Pediatrics that found more than one-third of U.S. children are not following the Centers for Disease Control and Prevention’s  Advisory Committee on Immunization Practices’ recommended early childhood immunization schedule. The researchers also examined vaccine adherence patterns and sociodemographic characteristics to evaluate their impact on children’s up-to-date immunization status. Ms. Allison Hargreaves was the first author on the study, with Dr. Allison Chamberlain, Ms. Laura Randall, and Dr. Robert Bednarczyk, also contributing from Rollins.

The study found that about 63 percent of children follow the recommended pattern of vaccine adherence, and 58 percent of children were up-to-date with recommended immunizations by 19 to 35 months. About 37 percent of U.S. children did not follow the recommended vaccine schedule, which was strongly associated with not being up-to-date on immunizations. The researchers also found that vaccine uptake differs based on sociodemographic characteristics such as socioeconomic status and race.

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