Pfizer Starts U.S. Trials of Experimental Covid-19 Vaccine (bloomberg.com)
The first U.S. patients have been dosed in a clinical trial testing whether four experimental messenger RNA (mRNA) vaccine candidates can prevent infection with the virus that causes 2019 coronavirus disease (COVID-19).
The trials are being conducted at the NYU Grossman School of Medicine and the University of Maryland School of Medicine, the drugmaker said Tuesday.
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