Many holidaymakers – and some European hospitals – don’t understand the rules on these vital health insurance cards. / New Which? research found 89% of people didn’t know that the Global Health Insurance Card (GHIC) covers fewer countries than the old, pre-Brexit European Health Insurance Card (EHIC).

Holding this card – which does not cost anything – means British travellers to the European Union get free or discounted medical treatment.

Brits travelling to an EU country or Switzerland post-Brexit should have either a UK Global Health Insurance Card (GHIC) a European Health Insurance Card (EHIC).

Property owners in France who have British friends or family staying with them this summer face form-filling and extra costs due to Brexit.