What is "helsana"

Helsana AG, headquartered in Dübendorf, is a major Swiss health insurance company. The company claims to have nearly 1.9 million customers insured and a revenue of 6 billion Swiss Francs, which would make it the largest health and accident insurer in Switzerland. The group employs approximately 3,000 people and has a Switzerland-wide network of 22 general agencies and 19 outlets.