- Medical Microbiology 5
- Microbiology 5
- Biotechnology 3
- Ecology 3
- Immunology 3
- Applied Microbiology 2
- Biodiversity 2
- Chemistry/Food Science, general 2
- Complementary & Alternative Medicine 2
- Earth Sciences, general 2
- Ecotoxicology 2
- Engineering, general 2
- Environmental Chemistry 2
- Environmental Health 2
- Environmental Management 2
- Eukaryotic Microbiology 2
- Life Sciences, general 2
- Materials Science, general 2
- Membrane Biology 2
- Microbial Ecology 2