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Vaccine demand rises around Tampa Bay on first day of open eligibility
By Megan Reeves, Carly Thompson & Thomas C. Tobin
COVID-19 vaccines work well against California variant, scientists say
By Amina Khan
Walgreens Not Following C.D.C. Guidance on Second Pfizer Vaccine Doses
By Rebecca Robbins
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There's a lot of debate about vaccine passports right now. What are they, and how would they work?
By Theresa Waldrop
U.S. begins study assessing allergic reactions to Pfizer and Moderna Covid vaccines
By Berkeley Lovelace & Berkeley Lovelace Jr.