Changes in booster shot guidance leads to confusion for doctors and the vaccinated – The Washington Post

In April, Pfizer chief executive Albert Bourla stated a third coronavirus dose was “likely” to be required. In late July, Pfizer-BioNTech announced that their vaccines effectiveness waned over time. Last month, as the delta variant of the coronavirus surged and the World Health Organization decried the circulation of third shots in rich countries while poor countries were doing not have first doses, President Biden announced that many Americans could begin getting boosters of the Pfizer and Moderna vaccines Sept. 20– subject to the governments regulative processes, which unfolded in recent days and focused only on Pfizer.

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