Moncef Slaoui, who is leading the Trump administration's COVID-19 vaccine programme Operation Warp Speed, said the US could immunise those "most susceptible" to COVID-19 by December if a vaccine is approved before then, CNBC reported on Monday.
The US could also immunise "most of the elderly" and healthcare workers in January, Slaoui noted, adding that the rest of the public would get a vaccine sometime in January, February, March and April.
"We are already stockpiling small amounts of vaccine doses that could become readily available in November or in December," he said.
However, US health officials have repeatedly said they do not expect to find a safe and effective vaccine until the end of the year or early 2021.
Slaoui noted that he'll be looking to see what the recommendation will be from the FDA's advisory committee of outside experts.
He added that it is possible some of the vaccines could be better suited for the elderly, while others may be better for young adults and children.
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