- Public Health 8
- Epidemiology 5
- Biostatistics 4
- Environmental Health 4
- Medicine/Public Health, general 4
- Vaccine 4
- Health Administration 3
- Health Informatics 3
- Nursing Research 2
- Chiropractic Medicine 1
- Health Policy 1
- Health Promotion and Disease Prevention 1
- Health Services Research 1
- Infectious Diseases 1
- Internal Medicine 1
- Medical Microbiology 1
- Parasitology 1
- Psychiatry 1
- Quality of Life Research 1
- Rehabilitation 1