▁of ▁the ▁E loy , ▁Arizona ▁det ention ▁center , ▁an ▁Im m igration ▁and ▁Custom s ▁En for cement ▁( ICE ) ▁facility ▁owned ▁by ▁for - pro fit ▁prison ▁operator ▁Core C iv ic . ▁P inal ▁County ' s ▁health ▁director ▁pres umed ▁the ▁out break ▁likely ▁origin ated ▁with ▁a ▁migr ant , ▁but ▁d eta ine es ▁had ▁since ▁received ▁v acc in ations . ▁However ▁convin cing ▁Core C iv ic ' s ▁employees ▁to ▁become ▁v acc in ated ▁or ▁demonstrate ▁proof ▁of ▁imm unity ▁was ▁much ▁more ▁difficult , ▁he ▁said . ▁ ▁In ▁spring ▁ 2 0 1 7 , ▁a ▁meas les ▁out break ▁occurred ▁in ▁Minnesota . ▁As ▁of ▁June ▁ 1 6 , ▁ 7 8 ▁cases ▁of ▁meas les ▁had ▁been ▁confirmed ▁in ▁the ▁state , ▁ 7 1 ▁ ▁were ▁un v acc in ated ▁and ▁ 6 5 ▁were ▁Som ali - Amer icans . ▁The ▁out break ▁has ▁been ▁attributed ▁to ▁low ▁v acc ination ▁rates ▁among ▁Som ali - American ▁children , ▁which ▁can ▁be ▁trac ed ▁back ▁to ▁ 2 0 0 8 , ▁when ▁Som ali ▁parents ▁began ▁to ▁express ▁concern ▁about ▁dis pro port ion ately ▁high ▁numbers ▁of ▁Som ali ▁pr esch ool ers ▁in ▁special ▁education ▁classes ▁who ▁were ▁receiving ▁services ▁for ▁aut ism ▁spectrum ▁dis order . ▁Ar ound ▁the ▁same ▁time , ▁dis g rac ed ▁former ▁doctor ▁Andrew ▁W ake field ▁visited ▁Min ne apolis , ▁team ing