- Parasitology 23
- Entomology 22
- Infectious Diseases 22
- Tropical Medicine 22
- Veterinary Medicine/Veterinary Science 22
- Virology 22
- Immunology 4
- Medical Microbiology 4
- Microbiology 4
- Animal Systematics/Taxonomy/Biogeography 1
- Invertebrates 1
- Veterinary Microbiology, Parasitology and Infectious Diseases 1