- Epidemiology 9
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- Medicine/Public Health, general 6
- Biostatistics 4
- Computational Intelligence 3
- Earth Sciences, general 3
- Environmental Health 3
- Math. Appl. in Environmental Science 3
- Probability Theory and Stochastic Processes 3
- Statistics for Engineering, Physics, Computer Science, Chemistry and Earth Sciences 3
- Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution 3
- Infectious Diseases 2
- Internal Medicine 2
- Medical Microbiology 2
- Oncology 2
- Parasitology 2
- Statistical Theory and Methods 2
- Statistics for Life Sciences, Medicine, Health Sciences 2
- Tropical Medicine 2
- Vaccine 2