mic ▁in ▁ 2 0 0 9 ▁of ▁a ▁new ▁stra in ▁of ▁influen za ▁A ▁virus ▁sub type ▁H 1 N 1 , ▁causing ▁what ▁has ▁been ▁commonly ▁called ▁sw ine ▁flu . ▁As ▁of ▁ 9 ▁June ▁ 2 0 0 9 , ▁the ▁virus ▁had ▁aff lic ted ▁at ▁least ▁ 2 , 0 0 0 ▁people ▁in ▁South ▁America , ▁with ▁at ▁least ▁ 4 ▁confirmed ▁death s . ▁ ▁On ▁ 3 ▁May ▁ 2 0 0 9 , ▁the ▁first ▁case ▁of ▁the ▁flu ▁in ▁South ▁America ▁was ▁confirmed ▁in ▁a ▁Colomb ian ▁man ▁who ▁recently ▁travel led ▁from ▁Mexico ▁– ▁since ▁then , ▁it ▁has ▁spread ▁throughout ▁the ▁continent . ▁ ▁By ▁far , ▁the ▁most ▁affected ▁country ▁has ▁been ▁Chile , ▁with ▁more ▁than ▁ 1 2 , 0 0 0 ▁confirmed ▁cases , ▁ 1 0 4 ▁death s , ▁and ▁the ▁highest ▁per ▁cap ita ▁inc idence ▁in ▁the ▁world . ▁ ▁The ▁World ▁Health ▁Organ ization ▁war ned ▁about ▁the ▁arrival ▁of ▁the ▁winter ▁in ▁the ▁southern ▁hem is phere , ▁where ▁there ▁are ▁season al ▁pe aks ▁of ▁flu , ▁that ▁could ▁increase ▁the ▁number ▁of ▁in fe ctions . ▁ ▁Over view ▁ ▁A ffect ed ▁countries ▁ ▁Argentina ▁ ▁According ▁to ▁an ▁Ep ide mic ▁Alert ▁order ▁issued ▁by ▁the ▁Ministry ▁of ▁Health , ▁Airlines ▁have ▁been ▁required ▁to ▁report ▁passengers ▁with ▁influen za ▁sympt oms ▁arriv ing ▁from ▁Mexico ▁and ▁United ▁States . ▁Pass engers ▁from ▁these ▁countries