The biotech company Moderna announced Monday that its coronavirus vaccine is 94.5% effective, according to early data. This comes a week after Pfizer announced that the vaccine it’s developing is more than 90% effective, encouraging news as the number of coronavirus cases is surging in the United States and Europe.
Here & Now‘s Tonya Mosley speaks with Dr. Gregory Poland, director of the Mayo Clinic’s Vaccine Research Group.
This article was originally published on WBUR.org.
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