Trial Investigator Says Vaccine with 50% Efficacy is Game Changing

A coronavirus vaccine that is safe and at least 50% effective would be a “game changer” in battling the pandemic, according to a doctor who is serving as an investigator for Moderna’s clinical trials.

“Developing vaccines against respiratory virus is incredibly difficult. If you think about the flu vaccine that we use every year, it’s only about 40% to 60% effective,”  Dr. Carlos del Rio of Emory University said Tuesday on CNBC’s “Squawk Box.”

The Food and Drug Administration indicated last month it would authorize a coronavirus vaccine as long as it is safe and at least 50% effective. Dr. Stephen Hahn, the agency’s commissioner, said at the time it would be “unrealistic” to expect a vaccine to be 100% effective. 

Read the source article at cnbc.com

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