While the USA Food and Drug administration reviews the Moderna and Pfizer vaccine candidates’ data for emergency use authorization, CNN’s chief medical correspondent Dr. Sanjay Gupta outlines key things you should know about how the process will work.

How does the vaccine approval process work?

So far, all of the data about the effectiveness of the vaccine has come from the companies manufacturing them. Now, the FDA scientists will review that data to consider the finer points on the protections these vaccines provide.

“Are there certain groups of people who did better with this vaccine or worse? Do we have any insights into durability? We know that maybe it prevents disease but does it also prevent infection? Does it prevent transmission? These are all open-ended questions and… that’s what they’re focused on,” Gupta explains.

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[Original Source: CNN]