There is some controversy about this on another thread, so I would like to hear if any of you have successfully boarded an MSC ship sailing to the Caribbean from the U.S. with the Covid NAAT test used by Walgreen's and CVS. We have always used this for Royal Caribbean, and on the MSC site, there is a section under "FAQ" which indicates that NAAT is one of the accepted tests, but in other places it does not specifically say NAAT, so people are now confused. Apparently the MSC phone reps don't k