Among about two dozen scientists in Graham’s lab were three young students: Olubukola Abiona, Geoffrey Hutchinson and Cynthia Ziwawo. What the world didn’t know at the time was that those three students — Abiona, Hutchinson and Ziwawo — were doing the foundational work for those vaccines to eventually save lives. Geoffrey Hutchinson served in the Peace Corps and taught chemistry to high school students in Mozambique. The fruits of Abiona, Hutchinson and Ziwawo’s labor were evident this week as the United States began to roll out updated versions of the Moderna and Pfizer/BioNTech Covid-19 vaccines. Abiona, Hutchinson and Ziwawo all confirmed Wednesday that although they haven’t made their appointments yet, they plan to get the updated shots.

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