Microbiology (General) Epidemiology 3 Public Health Pests, Vectors and Intermediate Hosts, (New March 2000) 3 Animals 2 Diagnosis 2 Diagnosis of Animal Diseases, (New March 2000) 2 Diagnosis of Human Disease, (New March 2000) 2 Disease control 2 Disease vectors 2 Drug therapy 2 Human diseases 2 Man 2 Pathogen, Pest, Parasite and Weed Management (General) 2 Pathogens, Parasites and Infectious Diseases (Wild Animals), (New March 2000) 2 Prion, Viral, Bacterial and Fungal Pathogens of Animals, (New March 2000) 2 Protozoan, Helminth and Arthropod Parasites of Humans, (New March 2000) 2 Techniques and Methodology 2 Veterinary Pests, Vectors and Intermediate Hosts, (New March 2000) 2 Aetiology 1 African trypanosomiasis 1 Agricultural entomology 1 Bacillus thuringiensis 1 Bacteria 1 Bacterial diseases 1 Bioassays 1 Biological Resources (General) 1 Biological assay 1 Biological control agents 1 Biology 1 Borrelia burgdorferi 1