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Exposure to probable trigger factor among students.
| Probable Trigger Factor | Percentage of Students |
|---|---|
| Consumption of cake | 98% |
| Noticed abnormal smell or taste or both in the cake | 88% |
| Came to school without taking breakfast | 84% |
| Felt ill while handling ill students to transfer to hospital | 63% |
| Felt ill by only seeing other felt ill in the school | 20% |
| Became ill while watching television telecast of the incidence at home | 11% |
| Felt ill spontaneously while playing | 05% |
