No offense, but I can't imagine that....medical technolgy grows by leaps and bounds every few years. But this year, the CDC is saying, as a possible explanation for all the cruise ship illnesses this year (which, BTW, has tripled from last year), are these possible reasons:
1. they weren't looking at the symptoms in the past and calling them flu symptoms (i.e., overlooking it); or Yeah, right, just what everyone wants to do when they have a stomach flu, be on a ship that goes up and down on the waves. I think the CDC is a joke.
2. the CDC is suggesting that selfish people are knowingly boarding cruise ships while sick with the flu (to which I said, "yeah, right," that's exactly what someone with the stomach flu wants to do, be on a ship where the waves rock them back and forth....