The Government has warned "handbrake" restrictions could be imposed on other countries beyond Spain in order to stop the spread of coronavirus.
This means countries could be taken off the "safe list" at a moment's notice, leading to cancelled flights and mandatory two week quarantines reintroduced.
So as families head off on holiday, which countries are seeing an increase - or a drop - in cases of Covid-19? Here are the numbers of confirmed cases last week in European countries, and the percentage rise or fall in infections compared to the week before Spain, 12,166 cases, up 92% The FCO has advised against all but essential travel to Spain, and it has been removed from the UK's quarantine-free travel list.