BOISE, Idaho — Albertsons Cos. has begun offering flu shots on a walk-in basis at its more than 1,700 supermarket pharmacy locations.

The food and drug retailer said flu vaccinations are available with no appointment necessary through February at the pharmacies of such stores as Albertsons, Safeway, Vons, Jewel-Osco, Shaw’s, Acme, Tom Thumb, Randalls, United Supermarkets, Pavilions, Star Market, Haggen and Carrs. Overall, the company has more than 2,200 stores in 35 states and the District of Columbia under 19 banners.

Customers who receive a flu vaccine at one of the retailer’s pharmacies get a 10% discount off a grocery purchase, as allowed by state regulations.

Albertsons Cos. pharmacies also provide an off-site flu clinic service for businesses, senior centers and nursing homes, giving employees or residents the convenience of receiving a flu vaccine where they work or live.

“We want to do all we can to keep our communities healthy, which is why we chose to provide the four-strain flu vaccine this flu season,” Mark Panzer, senior vice president of pharmacy, health and wellness at Albertsons Cos., said in a statement. “Our pharmacies are ready, day and evening, to provide vaccinations through our stores, pharmacies and off-site flu clinics, making the process affordable and convenient.”

Albertsons noted that it’s offering the quadrivalent flu vaccine, which provides protection against four of the most common influenza strains.

The retailer added that its pharmacies serve of up range of immunization services, including back-to-school and travel vaccinations as well as shingles, tetanus, hepatitis, pneumococcal, meningococcal and other vaccines.