title: PED vaccine gains conditional approval.
mesh_terms: D000818:Animals; D018352:Coronavirus Infections / Q000517:prevention & control / Q000662:veterinary* / Q000821:virology; D017277:Drug Approval; D053485:Porcine epidemic diarrhea virus / Q000276:immunology*; D013552:Swine; D013553:Swine Diseases / Q000517:prevention & control* / Q000821:virology; D014481:United States; D016885:United States Department of Agriculture; D014765:Viral Vaccines / Q000276:immunology*
chemical_list: D014765:Viral Vaccines