Paul Mango

FILE - In this Sept. 14, 2021, file photo, a syringe is prepared with the Pfizer COVID-19 vaccine at a clinic at the Reading Area Community College in Reading, Pa. Millions of U.S. workers now have a Jan. 4 deadline to get a COVID vaccine. The federal government on Thursday, Nov. 4, 2021 announced new vaccine requirements for workers at companies with more than 100 employees as well as workers at health care facilities that treat Medicare and Medicaid patients.. (AP Photo/Matt Rourke, File)

How Operation Warp Speed led to a vaccine

As the federal health apparatus contemplates whether a second COVID-19 booster shot is a good idea, it’s good to recall the national effort that resulted…

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