Parasitoses 9 Bacterial diseases 5 Human diseases 5 Parasites 5 Prion, Viral, Bacterial and Fungal Pathogens of Humans, (New March 2000) 5 Protozoal infections 5 Protozoan, Helminth and Arthropod Parasites of Humans, (New March 2000) 5 more ... Protozoan, Helminth, Mollusc and Arthropod Parasites of Animals, (New March 2000) 5 Viral diseases 5 Disease transmission 4 Epidemiology 4 Prion, Viral, Bacterial and Fungal Pathogens of Animals, (New March 2000) 4 Animal diseases 3 Disease control 3 Infections 3 Neoplasms 3 Non-communicable Diseases and Injuries of Animals 3 Pets 3 Public health 3 Zoonoses 3 Animal Genetics and Breeding, (New March 2000) 2 Animal Immunology, (New March 2000) 2 Animal Reproduction and Embryology, (New March 2000) 2 Animal Surgery and Non-drug Therapy, (New March 2000) 2 Animal Welfare 2 Animal welfare 2 Aquaculture (Animals) 2 Cattle 2 Climate 2 Climate change 2 less ...