CVS is a retail pharmacy and healthcare company in the United States. It operates a chain of pharmacies and retail stores that sell prescription drugs, over-the-counter medications, health and beauty products, and general merchandise. CVS also offers a variety of healthcare services, including walk-in clinics, flu shots, and prescription delivery. The company is headquartered in Woonsocket, Rhode Island, and has over 9,900 locations across the country. CVS is known for its ExtraCare rewards program, which offers discounts and rewards to customers.