Modifiers matching virus:

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

Simple categories matching diarrhoeal:

• pathogen,
• state,
• illness,
• disease,
• condition,
• virus,