The British Foreign and Commonwealth Office will provide advice for British Nationals on the zika fever, natural disasters, other health scares, security, safety and more relating to Cape Verde. LINK: FOREIGN-AND-COMMONWEALTH-OFFICE

There is also another website for British Nationals to look at regarding health concerns which is;  LINK:   TRAVEL-HEALTH-PRO

Other foreigner nationals will need to visit their own Government website for further information.