The Department shall estimate the supply and demand for influenza immunizing agents at the beginning of each influenza season by assessing past usage and aggregate orders; reviewing information disseminated by manufacturers, distributors and the United States Department of Health and Human Services, Centers for Disease Control and Prevention, identifying the number and location of high priority populations; identifying possible geographic and provider type disparities; and reviewing historical demand patterns.
10- 144 C.M.R. ch. 276, § IV