People line up in front of photos of Bobby Wagner, left, and other Seattle Seahawks players, Saturday, March 13, 2021, as they wait to get the first dose of the Pfizer COVID-19 vaccine on the first day of operations at a mass vaccination site at the Lumen Field Events Center in Seattle, which adjoins the field where the NFL football Seahawks and the MLS soccer Seattle Sounders play their games. The site, which is the largest civilian-run vaccination site in the country, will operate only a few days a week until city and county officials can get more doses of the vaccine. (AP Photo/Ted S. Warren)

People line up in front of photos of Seattle Seahawks players Shaquill Griffin and Duane Brown, Saturday, March 13, 2021, as they wait to get the first dose of the Pfizer COVID-19 vaccine on the first day of operations at a mass vaccination site at the Lumen Field Events Center in Seattle, which adjoins the field where the NFL football Seahawks and the MLS soccer Seattle Sounders play their games. The site, which is the largest civilian-run vaccination site in the country, will operate only a few days a week until city and county officials can get more doses of the vaccine. (AP Photo/Ted S. Warren)