Simple categories matching diarrhoeal:

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

Members with property diarrhoeal:

• enteric_adenovirus,
• gastroenteritis,
• dysentery,
• poliomyelitis,
• cholera,
• amoebic_dysentery,
• typhoid,
• salmonellosis,
• shigellosis,
• flu,
• salmonella,
• hepatitis,
• paratyphoid,
• shigella,
• brucellosis,
• rotavirus,