Virology Bacteriology 14 Viruses 14 Virus diseases 12 Immunology 8 Microbiology 7 Mycology 6 Parasitology 6 Virus Diseases 5 DNA 4 Medical microbiology 4 RNA virus 4 VOROLOGY 4 Clinical Microbiology 3 Genetics 3 Soil microbiology 3 Virus 3 Biochemistry 2 Fungi 2 Genetics, Microbial 2 Genome, Viral 2 Medical Microbiology 2 Molecular Biology 2 Molecular virology 2 RNA 2 isolation 2 Agricultural microbiology 1 Allergy and Immunology 1 Animal virus 1 Antimicrobial proteins 1