As the U.S. COVID-19 related death toll edges toward 450,000, additional vaccines are being tested. Currently, Pfizer/BioNTech and Moderna are the only vaccines that have been given emergency authorization. Waiting in the wings to be approved in the United States are three other vaccines: AstraZeneca’s AZD1222, Johnson & Johnson, and Novavax. A variety of other companies throughout the...
source https://www.westernnebraskaobserver.net/story/2021/01/28/news/more-vaccines-in-the-works/6925.html
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