"Children", individuals less than 19 years of age.
"Estimated vaccine cost", the estimated cost over the course of a fiscal year for the purchase, storage and distribution of vaccines for all children in the commonwealth.
"Routine childhood immunizations", immunizations for children until their nineteenth birthday including:
"Total nonfederal program cost", the estimated annual cost of vaccines needed for routine childhood immunizations for children in the commonwealth less the amount of federal revenue available to the commonwealth for purchase, storage, distribution and administration of the vaccines.
Mass. Gen. Laws ch. 111, § 111:24N