Table 1.

Inclusion and exclusion criteria used by attending physicians for recruiting patients to the VIZIONS study with each disease syndrome.

Enteric	Respiratory	CNS infections
Inclusion criteria Acute diarrhoeal infections (three or more loose stools or one bloody stool within a 24-h period) Exclusion criteria Patients with multiple complications unrelated to diarrhoeal disease or those with suspected antibiotic-related diarrhoea	Inclusion criteria Fever, or a history of fever over past 3 days. Must be under 55 years of age and have had respiratory symptoms for less than 7 days when admitted to hospital	Inclusion criteria At least 1 month old, fever or history of fever over the past 3 days. Presented with at least one of the following symptoms: headache, neck stiffness, altered consciousness, or focal neurological signs