FILE - Belinda Perez, left, checks in with store manager Maria Gallardo at a COVID-19 vaccination site inside a CVS Pharmacy branch on March 1, 2021, in Los Angeles. A rush of vaccine-seeking customers and staff shortages are squeezing drugstores around the country. That has led to frazzled workers and even temporary pharmacy closures. (AP Photo/Marcio Jose Sanchez, File)
