Jet thought to be struck by monkeypox on lockdown --WBBM Newsradio: Passenger may have been traveling from Ghana and may have had 'sort of rash' or contagious disease 26 Apr 2012 Passengers are being let off a plane that was quarantined after landing in Chicago. The Centers for Disease Control determined there was no threat, and normal operations have resumed at Midway Airport. Aviation officials in Chicago said the city's health department and fire department responded to a flight that landed at Midway International Airport, but local police and fire officials told Fox News the CDC was handling it. Chicago Aviation Department spokeswoman Karen Pride said a passenger on Delta flight 3163 had a reported medical issue. Television images showed emergency vehicles lined along the aircraft on the tarmac.