Yes
Yes it is.
Many mainstream insurance companies provide travel insurance packages to Europe. Some of those companies are allienztravelinsurance, insuremytrip and aviantitravelinsurance.
Travelex and FrontierMEDEX offer travel insurance for Europe and other destinations on their sites. Popular credit card companies, including American Express, also offer travel insurance.
Travel insurance is an important thing to have while backpacking in Europe. Such a trip has many inherent dangers, like natural disaster, theft, or delays in travel.
Tunisia is in Northern Africa - not Europe.
I am going to Europe soon, but I'm 72. What should be covered in my travel insurance?
Since you travel frequently between the U.S. and Europe, I would suggest that you do get european travel insurance. You can find resources at www.europeantravelinsurance.org/.
There are several different countries in which it is mandatory to have medical travel insurance. Many countries in Europe, like Sweden, for example, require people to have medical travel insurance.
The average deductible for medical travel insurance in Europe depends on specific aspects of the traveler and the trip. Age of the traveler, length of the trip, and medical limits all factor into the deductible of the insurance.
Travel insurance web provides insurance for travel within Europe, worldwide and also annual cover. Cover can be for a minimum of 10 days up to the annual cover.
As far as travel to Europe there are no health restrictions from the USA to Europe. They do want you to have medical insurance or medical travel insurance. The medical in most of Europe is modern and comparable to USA. If you are taking a pet, dog or cat, they must be certified by a Veterinarian.