title: PRRSV planned exposure and the law.
authors.forename: Kate
authors.initials: K
authors.lastname: O'Rourke
mesh_terms: D000818:Animals; D003132:Commerce; D018563:Disease Notification; D007110:Immunity, Active; D007114:Immunization / Q000331:legislation & jurisprudence / Q000379:methods / Q000662:veterinary*; D007886:Legislation, Veterinary; D019318:Porcine Reproductive and Respiratory Syndrome / Q000276:immunology / Q000517:prevention & control*; D019316:Porcine respiratory and reproductive syndrome virus / Q000276:immunology*; D012307:Risk Factors; D013552:Swine; D014481:United States; D014765:Viral Vaccines
chemical_list: D014765:Viral Vaccines