Walmart and Sam’s Club pharmacies across the nation will begin administering COVID-19 vaccines Friday as part of the Federal Retail Pharmacy Program.More than 1,000 pharmacies in 22 states will be receiving doses of the vaccine this week, although there is a particular "emphasis on locations that reach customers in underserved communities with limited access to health care," Walmart said on Wednesday.The Arkansas-based retailer took into consideration population density, customer demographics, infection rates and availability of local health care resources when identifying the participating locations.The company previously touted that it would be able to deliver up to 13 million doses of coronavirus vaccines per month "when supply and.