FILE PHOTO: Walmart administers COVID-19 vaccines as part of Federal

FILE PHOTO: A sign for customers is pictured at a pharmacy where the Moderna coronavirus disease (COVID-19) vaccine is available inside a Walmart department store as Walmart and other major U.S. pharmacies take part in the Federal Retail Pharmacy Program, to increase vaccinations in the U.S. in West Haven, Connecticut, U.S., February 17, 2021. REUTERS/Mike Segar