Disease transmission Epidemiology 3 Animal diseases 2 Food safety 2 Information and Documentation 2 Laws and Regulations 2 Man 2 Plant pathogens 2 Plant viruses 2 Regulations 2 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 2 Wild animals 2 Airborne infection 1 Anatomy, Morphology and Structure (General), (Discontinued March 2000) 1 Animal Genetics and Breeding, (New March 2000) 1 Animal Health and Hygiene (General) 1 Animal Welfare 1 Animal breeding 1 Animal health 1 Animal parasitic nematodes 1 Animal welfare 1 Bioinformatics 1 Biological development 1 Biotechnology (General), (Revised June 2002) 1 Bioterrorism 1 Biotic communities 1 Blood safety 1 Body fluids 1 Books 1 Communicable diseases 1