Health
Coronavirus vaccine with 50% or more efficacy would be a ‘game changer,’ says trial investigator – CNBC
“A 50% efficacy would be transformative. It’s much better than zero, which is what we have right now,” Dr. Carlos del Rio of Emory University said on CNBC’s “Squawk Box.”

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 mo…
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