Yes, I have. Didn’t see any celebs, but saw many “regular” folk from different countries, as well as wealthy ones. It was apparent to me that there are also a lot of Americans who live down there, at least part-time.
It’s going to be difficult to contain such things as the swine flu with the amount of travel people from every nation do these days for business, pleasure, adventure, and family reasons, but a great deal more could be done.