title: Certification vital.
authors: J H
authors: JH
authors: Lewington
mesh_terms: D000818:Animals; D001315:Australia / Q000453:epidemiology; D002371:Cat Diseases / Q000453:epidemiology* / Q000276:immunology / Q000517:prevention & control; D002415:Cats; D002568:Certification; D004283:Dog Diseases / Q000453:epidemiology* / Q000276:immunology / Q000517:prevention & control; D004285:Dogs; D015995:Prevalence; D014611:Vaccination / Q000662:veterinary*