[Selene]

...69 company employees became ill enough to seek treatment in hospital emergency rooms.
... "It was like a stomach virus, like a 24-hour bug," Jacklin said. "Maybe half our group were dizzy and achy and had to lie down. The other six or seven were pretty violently ill with stomach symptoms.
This looks like Norwalk virus. My parents caught it (they feel) on their flight from CA to NY. Both ended up in the emergency room.

[Calpernia]

I hope it was the Norwalk virus. There is something else with those symptoms that isn't treatable.