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Scientist who helped develop Pfizer-BioNTech Covid vaccine agrees third shot is needed as immunity wanes
By Berkeley Lovelace & Berkeley Lovelace Jr.
Pfizer Identifies Fake Covid-19 Shots Abroad as Criminals Exploit Vaccine Demand - WSJ
By Jose De Cordoba & Jared S. Hopkins
CDC recommends pregnant women get Covid vaccine after study shows it's safe for mother and baby
By Rich Mendez
COVID-19 vaccination tracker
By Gianna-carina Grun