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Published on: January 28, 2019
Uptake of rotavirus vaccine among US infants at Immunization Information System Sentinel Sites
Kimberly Pringle1, Cristina V Cardemil2, Laura J Pabst2
1Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States; Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, GA, United States.
Insights
Rotavirus vaccine (RV) uptake in US infants remains lower than other routine vaccines. Missed opportunities, not just age restrictions, contribute to this gap, highlighting a need to improve RV administration.
Area of Science:
- Pediatric Vaccinology
- Public Health Surveillance
- Immunization Programs
Background:
- Rotavirus vaccine (RV) coverage in US children lags behind other routine childhood immunizations.
- Understanding factors influencing RV uptake is crucial for public health.
Purpose of the Study:
- To compare rotavirus vaccine (RV) uptake over time with other routine vaccinations.
- To analyze age at administration for RV.
- To quantify missed opportunities for RV receipt.
Main Methods:
- Analysis of data from 6 Immunization Information System (IIS) Sentinel Sites (approx. 10% of US pediatric population).
- Comparison of 1-dose RV uptake versus Diphtheria, Tetanus, and acellular Pertussis (DTaP) and pneumococcal conjugate vaccine (PCV) among 5-month-old infants (2006-2013).
- Detailed examination of RV receipt in the 2012 birth cohort.
Main Results:
- Average RV coverage reached 78% by 2010, stabilizing at 79-81% through 2013.
- A consistent 6-8 percentage point gap existed between 1-dose DTaP and RV coverage from mid-2012 to 2013.
- Two-thirds of the coverage difference is attributed to missed opportunities for initiating the RV series, with infants receiving other vaccines instead.
Conclusions:
- Rotavirus vaccine uptake in infancy continues to be lower than other routine vaccines.
- Barriers to RV administration for age-eligible infants need further investigation to improve coverage.
- Addressing missed opportunities is key to enhancing rotavirus vaccination rates.
Objective:
Coverage with rotavirus vaccine among US children has been lower compared to that with other routine childhood vaccines. Our objectives were to examine rotavirus vaccine (RV) uptake over time compared to other routine vaccinations, ages at administration, and quantitate potential missed opportunities for RV receipt.
Methods:
We analyzed data from 6 Immunization Information System (IIS) Sentinel Sites, which represent approximately 10% of the United States (US) pediatric population. Among infants aged 5months, we compared uptake of ⩾1 dose of RV, to that of Diphtheria, Tetanus, and acellular Pertussis (DTaP) and pneumococcal conjugate vaccine (PCV), for each quarter during 2006-2013. We used data from infants in the 2012 birth cohort to examine RV receipt in more detail.
Results:
Among infants aged 5months, the average site coverage with ⩾1 dose of RV reached 78% in 2010 and subsequently stayed steady at 79-81% through 2013. The average difference between ⩾1 dose DTaP coverage and RV coverage remained between about 6 and 8 percentage points during mid-2012 through 2013. Infants born in 2012 received RV doses closely in line with the timing recommended by the ACIP. Approximately one-third of the difference in coverage between ⩾1 dose of DTaP and ⩾1 dose of RV among infants could be due to the maximum age restriction of the first RV dose. The other two-thirds of the difference appears to have been a result of potential missed opportunities for starting the RV series--these infants received another routine immunization when age eligible to receive RV dose 1, but did not receive RV.
Conclusion:
Uptake with RV during infancy remains below that of other routine vaccines. Understanding the barriers to administration of RV among age-eligible infants could help improve vaccine coverage.
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