PRINCETON, N.J. & FOSTER CITY, Calif.--(BUSINESS WIRE)--The European Commission has granted marketing authorization for ATRIPLA® (efavirenz 600 mg/emtricitabine 200 mg/tenofovir disoproxil fumarate 300 mg), formally approving ATRIPLA for commercialization in the 27 countries of the European Union, as well as in Norway and Iceland.