In this photo released by Nucleus Network/ABC, Dr. Jason Lickliter, left, chief medical officer of Nucleus Network, talks with a clinical trial participant given a coronavirus vaccine, in Melbourne, Australia, Tuesday, May 26, 2020, with hopes of releasing a proven vaccine this year. Novavax injected 131 volunteers in the first phase of the trial testing the safety of the vaccine and looking for signs of its effectiveness. (Patrick Rocca/Nucleus Network/ABC via AP) ** FILE **
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