Novavax Offers U.S. a Fourth Strong Covid-19 Vaccine
The company’s large U.S. trial found an efficacy rate of about 90 percent. But at this point, the nation is awash in other shots.
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Contributor: Carl Zimmer
The company’s large U.S. trial found an efficacy rate of about 90 percent. But at this point, the nation is awash in other shots.
View original article
Contributor: Carl Zimmer