Michigan StatutesAct 7 of 1956 (Ex. Sess.) - <font color=red>Repealed-</font>POLIOMYELITIS VACCINE (325.561 - 325.562)POLIOMYELITIS VACCINEAct 7 of 1956 (Ex. Sess.)325.561,325.562 Repealed. 1978, Act 368, Eff. Sept. 30, 1978.