Modifiers matching pathogen:

• intracellular,
• harmful,
• major,
• exogenous,
• aquatic,
• enteric,
• diverse,
• sensitive,
• bacterial,
• out,
• gi,
• lethal,
• invasive,
• natural,
• uncommon,
• unicellular,
• relevant,
• new,
• airborne,
• respiratory,
• microscopic,
• microbial,
• dangerous,
• ubiquitous,
• undesirable,
• conventional,
• potential,
• transmissible,
• detrimental,
• pediatric,
• infectious,
• viral,
• endogenous,
• organic,
• eukaryotic,
• urinary,
• select,
• small,
• diarrheal,
• perinatal,
• multiple,
• anaerobic,
• gastrointestinal,
• systemic,
• large,
• canine,
• nasty,
• common,
• vaginal,
• intercellular,
• communicable,
• electronic,
• important,
• waterborne,
• stable,
• artificial,
• rare,
• pulmonary,
• possible,
• virulent,
• serious,
• animal,
• nosocomial,
• biological,
• tiny,
• unusual,
• mutable,
• larger,
• hazardous,
• deadly,
• carcinogenic,
• resistant,
• significant,
• ocular,
• minute,
• opportunistic,
• single,
• secondary,
• causative,
• fecal,
• parasitic,
• diarrhoeal,
• foreign,
• neurotropic,
• intestinal,
• variable,
• real,
• smaller,
• toxic,
• infective,
• chronic,
• related,
• environmental,
• persistent,
• viable,
• cellular,
• contagious,
• external,
• resident,
• extracellular,
• obligate,
• complex,
• outside,
• hardy,
• atypical,
• latent,
• causal,
• zoonotic,
• macromolecular,

Simple categories matching nasty:

• stuff,
• cause,
• contaminant,
• bug,
• thing,
• infection,
• chemical,
• bacteria,
• condition,
• insect,
• creature,
• disease,
• emotion,
• happening,
• preservative,
• animal,
• software,
• virus,
• pest,
• weather,
• std,
• program,
• microbe,
• parasite,
• critter,
• item,
• material,
• disorder,
• vice,
• allergen,
• substance,
• compound,
• germ,
• sickness,
• weapon,
• content,
• pathogen,
• beast,
• component,
• predator,
• illness,