灣區數百名學生返校前感染COVID

SEATTLE, WA - MAY 18: Julius Irvin, a student athlete on the football team, receives a COVID-19 vaccine at a vaccination clinic on the University of Washington campus on May 18, 2021 in Seattle, Washington. The two-day clinic, in partnership with Safeway, Dicks Drive-In Restaurants, and the Seattle Metropolitan Chamber of Commerce, is offering newly-vaccinated patients a free Dicks burger when they leave. (Photo by David Ryder/Getty Images)