title: Evidence of freedom from porcine reproductive and respiratory syndrome virus infection in Switzerland.
authors.affiliation: College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, USA.
authors.forename: N
authors.initials: N
authors.lastname: Canon
authors.forename: L
authors.initials: L
authors.lastname: Audigé
authors.forename: H
authors.initials: H
authors.lastname: Denac
authors.forename: M
authors.initials: M
authors.lastname: Hofmann
authors.forename: C
authors.initials: C
authors.lastname: Griot
mesh_terms: D000818:Animals; D004797:Enzyme-Linked Immunosorbent Assay; D019318:Porcine Reproductive and Respiratory Syndrome / Q000453:epidemiology* / Q000276:immunology; D019316:Porcine respiratory and reproductive syndrome virus / Q000302:isolation & purification*; D012698:Serologic Tests; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology* / Q000276:immunology; D013557:Switzerland / Q000453:epidemiology