The correct insurance will protect You from large bills for treatment.
In many European countries, hospital stay or specialist consultation for an additional fee, and this is a considerable amount.
Expensive help is provided to the Pole during a holiday worth up to 250 thousand.
This does not mean that I would not recommend card EHIC, on the contrary, but it is necessary, however, to consider buying additional insurance policy before you travel.
The amount of insurance on the territory of European countries should not be lower than 20 thousand euros, and outside Europe amount to 40 thousand
Standard insurance may be extended for any refund in case of cancellation of the trip.