| 1 | No diagnosis has as yet been made of his disease. | |
| 2 | The case defies diagnosis. | |
| 3 | I am going to take a throat culture so we'll know for sure. | |
| 4 | That same day my mother called in the doctor, who diagnosed hepatitis. | |
| 5 | Only severe cases of RVF were detected through surveillance and of the 264 cases, 154 (60%) were laboratory confirmed. |