Modifiers matching virus:

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

Simple categories matching airborne:

• compound,
• pollution,
• constituent,
• particle,
• contaminant,
• seed,
• infection,
• disease,
• system,
• substance,
• germ,
• pm,
• component,
• abrasive,
• microorganism,
• armament,
• particulate,
• pathogen,
• fiber,
• aldehyde,
• predator,
• event,
• toy,
• creature,
• allergen,
• matter,
• sound,
• animal,
• impurity,
• illness,
• agent,
• pollutant,
• feeder,
• thing,
• waste,
• conveyance,
• craft,
• platform,
• virus,
• pest,
• prey,
• bug,
• hazard,
• bacteria,
• vehicle,
• trauma,
• unit,
• organism,
• vessel,
• material,
• debris,
• aerosol,
• contagion,
• chemical,
• insect,
• dust,
• image,
• gas,
• metal,
• hydrocarbon,
• object,
• sensor,
• condition,
• item,
• contamination,
• medium,
• device,