From: Foodborne norovirus outbreak: the role of an asymptomatic food handler
Exposed | Not exposed | |||||||
---|---|---|---|---|---|---|---|---|
Food | Ill (n) | Not ill (n) | Attack Rate (%) | Ill (n) | Not ill (n) | Attack Rate (%) | Attributable Risk | Relative Risk (95% CI) |
Paella | 38 | 35 | 52.0 | 4 | 1 | 80.0 | -28.0 | 0.65 (0.39 - 1.06) |
Round of Beef | 42 | 34 | 55.3 | 0 | 2 | 0.0 | 55.3 | 3.31* (0.26 - 41,92) |