- Preterm infants (34-36 weeks' gestation) have lower receipt of recommended vaccinations by age 19 months and fail to catch up by 36 months.
Why this matters
- Familiarity with recommended vaccination schedules, including exclusions, is essential.
- Communication with parents, understanding health care use patterns to drive catch-up vaccination are recommended.
- Among 10,367 infants, ~20% were born prematurely, ~16.6% had low birth weight (
- 47.5% vs 54.0% preterm, term infants, respectively, completed the 7-vaccine series by 19 months (aOR, 0.77; P<.001 vs by months>
- Higher percentage of preterm vs term infants missed doses.
- 16.5% vs 13.8% missed 1 dose (P=.002).
- 21.2% vs 18.8% missed ≥4 doses (P=.02).
- Late preterm infants had lowest influenza vaccination rates.
- Rotavirus coverage was also lower among preterm vs term/postterm infants; early preterm infants had especially low hepatitis B, rotavirus coverage.
- Retrospective cohort study comparing early children vaccinations between preterm, term/postterm infants from 2008 to 2013.
- Funding: None disclosed.
- Data underreported.
- Preterm status misclassification.
- Limited generalizability.
- Missing confounders.