title: Background paper. The appearance of the porcine respiratory coronavirus has created new problems and perspectives.
authors.affiliation: Laboratory of Virology-Immunology, Faculty of Veterinary Medicine, State University of Gent, Belgium.
authors.forename: M
authors.initials: M
authors.lastname: Pensaert
mesh_terms: D000818:Animals; D005761:Gastroenteritis, Transmissible, of Swine / Q000382:microbiology; D013552:Swine; D005760:Transmissible gastroenteritis virus / Q000235:genetics / Q000302:isolation & purification*