Dull frontal headache
No adequate sewage system
Overcrowded living
Visiting indian subcontinent
Visiting mexico
Abdominal pain
High fever
High fever in the afternoon
Contact patient with typhoid
Gastrointestinal infection
General fatigue
Hypertrophy of the peyers patches
Ignoring hygiene rules
Lack of soap
Longer duration stay in endemic country
Mild diarrhea
Poor personal hygiene
Sharing utensils
Travel to poor sanitation rural
Anorexia