Trump was asked about a timeline for a vaccine during the Cabinet Room meeting with pharmaceutical executives and members of his task force.

"I don't know what the time will be. I've heard very quick numbers, that of months. And I've heard pretty much a year would be an outside number. So I think that's not a bad range. But if you're talking about three to four months in a couple of cases, a year in other cases," Trump said.

But Dr. Antony Fauci, the head of the National Institute of Allergy and Infectious Diseases, immediately corrected the President: "Let me make sure you get the ... information. A vaccine that you make and start testing in a year is not a vaccine that's deployable."

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