Originally Posted by
flygirl29
I wasn't aware of this yellow fever twist in Brazil, but a friend of mine once went to Turkish North Cyprus and had his passport stamped there, and was denied entrance to Greece for merely having been there, and that was a year later!
This has nothing to do with immunizations. It's a diplomatic issue (to make things simple): the TRNC is not recognized by the Greek half, so they refuse entry if you have TRNC stamps in your passport.