Table 1 Clinical signs and symptoms among the 48 cases and symptoms in non-cases among Nordic patients and employees at a health centre (n = 91) in Gran Canaria, Spain, October – November, 2002.
Symptoms/attribute | Number (percent of all cases) | Median duration of symptoms in cases | Number of non cases with symptoms |
|---|---|---|---|
Diarrhoea | 42 (88) | 3 days | 2 |
Blood seen in stool | 2 (5*) | 0 | |
Vomiting | 33 (69) | 1 day | 0 |
Nausea | 34 (71) | 2 days | 9 |
Feeling feverish | 12 (25) | 3 | |
Abdominal cramps | 34 (71) | 3 days | 4 |
Headaches | 14 (29) | 2.5 day | 3 |
General practition visit | 24 (50) | 1 | |
Stool samples obtained | 22 (6 of these after returning home) | 0 | |
Intravenous treatment | 11 (23) | _ | |
Ambulatory visit in hospital | 5 (10) | _ | |
Home from work | 6 (13) | 1 day | _ |