▁tant amount ▁to ▁murder . ▁Even ▁if ▁they ▁live ▁far ▁from ▁the ▁city ▁and ▁have ▁to ▁travel ▁during ▁the ▁great ▁winter ▁cold , ▁they ▁should ▁have ▁the ▁child ▁v acc in ated ▁before ▁three ▁months ." ▁Jewish ▁and ▁Islam ic ▁pract ition ers ▁may ▁have ▁concerns ▁about ▁the ▁use ▁of ▁gel atin ▁in ▁v acc ines ▁due ▁to ▁the ▁subst ance ▁being ▁of ▁por c ine ▁origin ▁( from ▁p igs ). ▁Jewish ▁and ▁Islam ic ▁sch ol ars ▁have ▁determined ▁that ▁since ▁the ▁gel atin ▁is ▁cook ed ▁and ▁not ▁consum ed ▁as ▁food , ▁gel atin - cont aining ▁v acc in ations ▁are ▁acceptable . ▁However , ▁the ▁Muslim ▁Council ▁of ▁Britain ▁argued ▁against ▁the ▁use ▁of ▁intr anas al ▁influen za ▁v acc ine ▁in ▁ 2 0 1 9 ▁due ▁to ▁the ▁presence ▁of ▁gel atin ▁in ▁the ▁v acc ine ▁and ▁consider ▁such ▁v acc ines ▁to ▁be ▁non - hal al ▁( un clean ). ▁ ▁Some ▁Christians ▁have ▁object ed ▁to ▁the ▁use ▁of ▁cell ▁cult ures ▁of ▁some ▁vir al ▁v acc ines , ▁and ▁the ▁virus ▁of ▁the ▁rub ella ▁v acc ine , ▁on ▁the ▁grounds ▁that ▁they ▁are ▁derived ▁from ▁t issues ▁taken ▁from ▁th era pe ut ic ▁abort ions ▁performed ▁in ▁the ▁ 1 9 6 0 s . ▁The ▁principle ▁of ▁double ▁effect , ▁origin ated ▁by ▁Thomas ▁Aqu inas , ▁holds ▁that ▁actions ▁with ▁both ▁good ▁and ▁bad ▁consequences ▁are ▁mor ally ▁acceptable ▁in ▁specific ▁circumstances .