The clinical criteria are available from the Communicable Disease Control Manual:

Acute Gastroenteritis
Acute gastroenteritis – Clinical criteria

Campylobacteriosis
Campylobacteriosis – Clinical criteria

Cholera
Cholera – Clinical criteria

Cryptosporidiosis
Cryptosporidiosis – Clinical criteria

Giardiasis
Giardiasis – Clinical criteria

Paratyphoid fever
Paratyphoid fever – Clinical criteria

Salmonellosis
Salmonellosis – Clinical criteria

Shigellosis
Shigellosis – Clinical criteria

Typhoid fever
Typhoid fever – Clinical criteria

Yersiniosis
Yersiniosis – Clinical criteria