The October 2017 release of the NCS Archive presents two new data files: Childcare Exposures and Child Vaccinations. Childcare Exposures includes data on children’s exposure to cigarette smoke, types of outdoor playground surface, proximity of idling cars to outdoor play area, mold and other exposures children encounter during childcare. Child Vaccinations includes data on specific types of vaccinations received and refused and, for vaccinations received, data on side effects and follow-up care for side effects.

Additionally, the 30, 36 and 42 months visit data files have been updated to indicate if a child has a record on the Childcare Exposures or Child Vaccinations files, as well as to include indicators regarding well childcare routine medical visits.

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