I tried a google search to see if the Virus can be killed by Dishwashers and i couldn't find any answers.
With the number of passengers infected on the Diamond Princess tripling it seems that this is a fairly important/valid question.
If they are being fed and the same dishes are being circulated throughout the 14 days then isn't that a source of reinfection that renders this 14 day Quarantine useless.
One interesting tidbit that my research uncovered is that the Norovirus
One of the main reason that the guests are quarantined in their cabins most of the day, is that the AC in cabins is not shared or recirculated. There are two AC systems on the ship. One takes outside air, cools it, and supplies it to the cabins, in a one way flow. This fresh air supplied to the cabins is almost balanced by the bathroom exhaust which takes the air to the outside, in a one way flow. The fresh air supply is slightly greater than the exhaust to keep the cabin at a slight positiv