Labs at Seattle-based University of Washington Medicine are gearing up to test the COVID-19 omicron variant against current vaccines and natural immunity to other strains, according to a Nov. 29 ...
A dose of the Pfizer Covid-19 vaccine is prepared at Lurie Children's Hospital, Nov. 5, 2021, in Chicago. (AP Photo/Nam Y. Huh, File) (AP) — Pfizer is enrolling healthy adults to test a reformulated ...
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