Just came across this. It will be of interest to anyone in or going to the Caribbean:

http://www.thecrewreport.com/features/21116/mosquitoborne-virus-hits-caribbean

Several of our friends got this in Bequia. It is spreading rapidly and is now as far south as Union Island and, I believe, north as far as Florida. Similar to Dengue, very unpleasant, ladies seem to have relapses for much longer than men.