If you are planning on traveling outside of the United States, you will want to consider purchasing an international travel insurance policy.  Most local insurance plans will cover you internationally in emergency situations, but they will not cover the less urgent issues such as everyday illnesses (cold, flu, etc.) or unexpected injuries (broken bones, abrasions, sprains, etc.).  Below are links to 2 different international insurance plans and concierge services.  Not only do they provide peace of mind by providing health insurance, but they also offer translation services and one place to call if you have a health-related issue while traveling.  In short, they take the stress out of an unexpected health situation while traveling abroad!