We strongly advise that you take out comprehensive travel insurance that will cover any overseas medical costs. Ensure that you insurance covers you for the whole time you will be away and confirm what is included in the policy.
Recommended insurance company
Europe, Australia & New Zealand: If you a resident of Europe, Australia or New Zealand we suggest you to insure your vacation with Globelink. Globelink is a independent insurance agency providing a sensible level of coverage for reasonable costs. Web site: http://www.globelink.uk.com/
United States of America, Canada: For Residents of the United States and Canada we suggest Insuremytrip. Insuremytrip offer a wide range of travel insurance packages. Compare them to choose the best one for you.