| Clinical symtoms | Workforce(n) | Percentage (%) |
| Abdominal pain | 72 | 98.63 |
| No stool | 72 | 98.63 |
| Distended abdomen | 71 | 97.26 |
| Vomitting | 42 | 57.53 |
| Ill looking | 73 | 100.0 % |
| Abdominal pain | 73 | 100.0 % |