Traffic cones guide drivers into a mega COVID-19 vaccination site set up in the parking lot of Dodger Stadium in Los Angeles, Wednesday, Jan. 27, 2021. California is changing up the way it is delivering coronavirus vaccines, moving to a more centralized system that is expected to streamline appointment sign-up, notification, and eligibility for nearly 40 million residents who want to know when they can get a shot and where. (AP Photo/Jae C. Hong)

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