Some of the companies leading the vaccine race include Johnson & Johnson, Pfizer, Moderna, AstraZeneca, GlaxoSmithKline, and Novavax.
Some of the companies leading the vaccine race include Johnson & Johnson, Pfizer, Moderna, AstraZeneca, GlaxoSmithKline, and Novavax.
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Some companies are already in the later phases of their trials, including American bio-tech company Moderna.