Modifiers matching virus:

• enteric,
• waterborne,
• harmful,
• threatening,
• pathogenic,
• related,
• important,
• diarrhoeal,
• pathological,
• respiratory,
• infective,
• deadly,
• exotic,
• persistent,
• usual,
• complex,
• smaller,
• latent,
• large,
• emergent,
• isometric,
• opportunistic,
• lethal,
• rodlike,
• macro,
• intestinal,
• infectious,
• dangerous,
• stable,
• simian,
• contagious,
• airborne,
• endogenous,
• rare,
• chronic,
• transmissible,
• systemic,
• intracellular,
• new,
• fatal,
• possible,
• serious,
• prevalent,
• avian,
• single,
• eukaryotic,
• active,
• epidemic,
• complicated,
• acquired,
• simple,
• diverse,
• real,
• acute,
• nasty,
• model,
• multiple,
• common,
• ubiquitous,
• heterogeneous,
• cold,
• incurable,
• resistant,
• special,
• oral,
• microscopic,

Simple categories matching possible:

• danger,
• antigen,
• illness,
• cause,
• infection,
• chemical,
• activity,
• condition,
• fluid,
• thing,
• event,
• system,
• impurity,
• contaminant,
• precursor,
• disease,
• evidence,
• facility,
• work,
• equipment,
• means,
• entertainment,
• disorder,
• pollutant,
• extra,
• use,
• syndrome,
• solution,
• complication,
• material,
• malady,
• hazard,
• theme,
• list,
• difficulty,
• service,
• germ,
• allergen,
• fuel,
• residue,
• catalyst,
• metal,
• contamination,
• occurrence,
• toxicant,
• nexus,
• sector,
• conflict,
• toxin,
• reaction,
• comfort,
• accident,
• agent,
• error,
• eruption,
• substance,
• intermediate,
• emotion,
• organism,
• entity,
• target,
• precipitant,
• defect,
• state,
• surface,
• career,
• area,
• catastrophe,
• lesion,
• ingredient,
• injury,
• disturbance,
• opposition,
• modification,
• volatile,
• information,
• motion,
• protease,
• action,
• pathology,
• mechanism,
• usage,
• prey,
• parasite,
• poison,
• acid,
• symptom,
• artifact,
• inflammation,
• request,
• sentence,
• market,
• predator,
• group,
• process,
• interaction,
• disaster,
• feature,
• way,
• morbidity,
• procedure,
• indication,
• sport,
• virus,
• problem,
• situation,
• place,
• development,
• layer,
• transformation,
• form,
• abrasive,
• pathogen,
• substrate,
• bacteria,
• rodent,
• change,
• animal,
• specification,
• assistant,
• piece,
• incident,
• failure,