title: Biosecurity risks to New Zealand: lessons from the South African experience with porcine reproductive and respiratory syndrome.
authors.forename: R S
authors.initials: RS
authors.lastname: Morris
mesh_terms: D000818:Animals; D004196:Disease Outbreaks; D009520:New Zealand / Q000453:epidemiology; D019318:Porcine Reproductive and Respiratory Syndrome / Q000453:epidemiology* / Q000517:prevention & control; D013019:South Africa / Q000453:epidemiology; D013552:Swine; D013997:Time Factors