Originally Posted by
josephstern
While that it certainly true, the last meal we had had where these three also ate the identical food, beyond the ramen, would have been several days before at a kaiseki the first night we arrived. Again, possible, but very, very unlikely due to the elapsed time in total, the accuracy of the problem hitting each person four days later, and just the unlikeliness that this restaurant (Kikunoi) would have been that lax.
I don't know how you could eliminate all food you guys ate by simply stating you guys ate different food. Did you guys eat and drink at different places throughout the trip? It doesn't have to be identical food for your group to get sick.