AirlinesonFridaysaidtheywouldadopt a voluntaryinternationalcontacttracingprogrammonthsaftertheWhiteHouseunderthenPresidentDonaldTrumpblocked a mandatoryeffort.
AmericanAirlines, DeltaAirlines, SouthwestAirlines, UnitedAirlinesandothermajorairlinessaidtheyhadcommittedtocollectingcontacttracingdatafrompassengerstravelingintotheUnitedStatesandtorelayingthedatatothe C D.
TheheadoftheairlineTradeassociation, AirlinesforAmerica, NickCalio, saidairlineswerehopefulthisnewvoluntaryeffortandinternationalpassengertestingrequirementsadoptedlastmonthbythe C.