SOS administers the Danish tourist health insurance scheme – also known as the Yellow Health Insurance Card – on behalf of the Danish Government.
The card covers the costs of treatment for Danish citizens in the event of acute illness, injury or death occurring during the first month of a holiday trip.
Geographical coverage:
Outside Denmark, the health card covers all EU Member States as well as the EEA countries of Andorra, the Azores, the Faroe Islands, Gibraltar, Greenland, the Isle of Man, Iceland, the Canary Islands, the Channel Islands, Liechtenstein, Madeira, Monaco, Norway, San Marino, Switzerland and Vatican State.
This is what the yellow health card looks like:

SOS has an emergency centre staffed 24/7, dedicated exclusively to tourist health insurance scheme cases:
Telephone: +45 70 10 75 10
Fax: + 45 70 10 25 10
Email: assist@sos.eu
Cases can also be reported via the Suppliers’ Network