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.
WATCH: Madison County officials hold coronavirus news conference for July 31
Just a day after the Moderna biotech company started one of the largest trials to test the Covid-19 vaccine on Monday, the..