Volume 8, Number 6—June 2002
Research
Waterborne Outbreak of Norwalk-Like Virus Gastroenteritis at a Tourist Resort, Italy
Della Boccia*
, Alberto Eugenio Tozzi*, Benvon Cotter*§, Caterina Rizzo†, Teresa Russo‡, Gabriele Buttinelli*, Alfredo Caprioli*, Maria Luisa Marziano*, and Franco Maria Ruggeri*
, Alberto Eugenio Tozzi*, Benvon Cotter*§, Caterina Rizzo†, Teresa Russo‡, Gabriele Buttinelli*, Alfredo Caprioli*, Maria Luisa Marziano*, and Franco Maria Ruggeri*Table 2
Attack rates and relative risks for staff members (n=69) according to type of work, tourist resort, Italy, July 2000
| Type of work | Attack rate (%) | Relative risk | 95% CI a |
|---|---|---|---|
| Kitchen staff | 4/34 (11.8) | Referent | |
| Office staff | 3/14 (21.4) | 1.8 | 0.5–7.1 |
| Bar staff | 3/11 (27.3) | 2.3 | 0.6–8.8 |
| Shop assistant | 7/21 (33.3) | 2.8 | 0.9–8.5 |
| Cleaning staff | 16/36 (44.4) | 3.8 | 1.4–10.2 |
| Sports trainers and entertainers | 19/37 (51.4) | 4.4 | 1.6–11.5 |
| Waiters | 17/28 (60.7) | 5.2 | 2.0–13.6 |
aCI, confidence interval.
