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steve usdin Profile picture
steve usdin
@steveusdin1
Washington Editor, BioCentury. Author: Bureau of Spies & Engineering Communism.
May 10, 2020 • 4 tweets • 2 min read
Thread on 91+ vaccines in development for #COVID19. At least nine -- spanning nucleic acid, viral vector-based and inactivated vaccines -- are in clinical testing.

@V2019N

Details at biocentury.com/article/305154 Nucleic Acid Vaccines