Effect of Childcare Influenza Vaccine Requirement on Vaccination Rates, New York City, 2012-2020.

Objectives: In 2014, New York City initiated a childcare influenza vaccine requirement to increase influenza vaccination rates among children aged 6-59 months attending city-regulated childcare, including prekindergarten. We evaluated the requirement's effect on vaccination rates in childcare-aged children in New York City.

Methods: We examined influenza vaccination rates in children aged 6-59 months and by age groups of 1, 2, 3, and 4 years for 8 influenza seasons (2012-2013 through 2019-2020), representing 2 seasons before the requirement, 2 seasons during the requirement, 2 seasons after its suspension, and 2 seasons after its reinstatement.

Effects of Health Level 7 Messaging on Data Quality in New York City's Immunization Information System, 2014.

Objective: We compared the quality of data reported to New York City's immunization information system, the Citywide Immunization Registry (CIR), through its real-time Health Level 7 (HL7) Web service from electronic health records (EHRs), with data submitted through other methods.

Methods: We stratified immunizations administered and reported to the CIR in 2014 for patients aged 0-18 years by reporting method: (1) sending HL7 messages from EHRs through the Web service, (2) manual data entry, and (3) upload of a non-standard flat file from EHRs. We assessed completeness of reporting by measuring the percentage of immunizations reported with lot number, manufacturer, and Vaccines for Children (VFC) program eligibility.

Using an immunization information system to improve accountability for vaccines distributed through the Vaccines for Children program in New York City, 2005-2008.

Background: As new, higher-priced vaccines are added to the immunization schedule, Vaccines for Children (VFC) program costs are increasing and attention has been focused on strengthening accountability. In New York City, the VFC program distributes publicly purchased vaccines, worth nearly $117 million annually, to more than 1,500 enrolled facilities to immunize eligible children. In 2006, we changed our policy of requiring facilities to account for administration of VFC vaccines by submitting self-reported, aggregate doses administered reports (DARs) when ordering VFC vaccines to using DARs generated from our immunization information system (IIS), the Citywide Immunization Registry (CIR).