“…[26][27][28][29] Although the VFC and 317 programs differ in several important aspects, they are similar in that they provide vaccines at no cost to targeted populations. The 317 program was created in 1962 by the Vaccination Assistance Act 24 and initially allowed use of discretionary funds for vaccine purchase and programmatic activities (eg, outbreak control, disease surveillance, program administration, planning, and evaluation). Additional 317 program funding was allocated 30 years later in the aftermath of a measles epidemic, and, for the first time, resources were directed to support infrastructure and direct service delivery.…”