Stool cultures
| Stool samples | Test result |
| Campolybacter species DNA (PCR) | Negative |
| Campylobacter coli DNA (PCR) | Negative |
| Campylobacter jejuni DNA (PCR) | Negative |
| Clostridium difficile tcbd gene DNA (PCR) | Negative |
| Salmonella species DNA (PCR) | Negative |
| Shigella species DNA (PCR) | Negative |
| Yersinia species DNA (PCR) | Negative |