Right now it doesn't seem like a Delta variant-specific COVID-19 vaccine will be necessary because the original shot is holding up well, Pfizer CEO Albert Bourla said Tuesday during an interview with The Atlantic.
However, he added that the company will continue to tweak its vaccine to stay ahead of the curve in case things change. "We are in the middle of the process of producing a specific for Delta variant vaccine," he said. "It is 99.9 percent [probable] that we will not need it."
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