virus (n.)
- acaricide
- adenovirus
- aerobe
- amoeba
- anaerobe
- anthelmintic
- antibiotic
- antiseptic
- bacillus
- bacteria
- bacterium
- bane
- being
- bug
- carrier
- coccus
- contagion
- contamination
- corruption
- creature
- defoliant
- disinfectant
- echovirus
- enterovirus
- epidemiology
- fumigant
- fungicide
- fungus
- germ
- germicide
- herbicide
- individual
- infection
- insecticide
- microbe
- microorganism
- mold
- ont
- organism
- organization
- pathogen
- pesticide
- picornavirus
- poison
- protozoa
- protozoon
- reovirus
- rhinovirus
- rickettsia
- spirillum
- spirochete
- spore
- staphylococcus
- streptococcus
- taint
- toxicant
- toxin
- vector
- venin
- venom
- vermicide
- vibrio
- zooid
- zoon
