Percentage of persons exposed‡ per group | ||||
---|---|---|---|---|
Exposure | Group A | Group B | Group C | Group D |
Ice cubes in the bar | 25 | 10 | 88 | 18 |
Drinking water bottled at hotel | 75 | 70 | 64 | 18 |
Water from hotel dispenser† | 56 | 100 | 73 | 73 |
Bottled water (commercial) | 44 | 30 | 67 | 55 |
Tap water | 63 | 60 | 71 | 20 |
Water as usual drink at meals | 100 | 100 | 85 | 70 |
Broccoli soup* | 80 | 100 | 85 | 78 |
Beef filet au gratin* | 80 | 90 | 88 | 89 |
Grilled polenta* | 87 | 80 | 75 | 78 |
Baked apple* | 93 | 100 | 85 | 44 |
Zabaglione sauce* | 80 | 100 | 61 | 67 |