The U.S. Food and Drug Administration (FDA) has granted an Emergency Use Authorization (EUA) for the COVID-19 vaccine developed by Pfizer and its partner BioNTech, the New York Times first reported on Friday night, and later supported by The Wall Street Journal. This EUA follows a recommendation by an independent panel of experts commissioned by the FDA to review Pfizer’s application and provide a recommendation, which the panel unanimously supported earlier this week.
Following this authorization, shipment of the vaccine are expected to begin immediately, with 2.9 million doses in the initial shipment order. Patients in the category of highly vulnerable individuals, which include healthcare workers and senior citizens in long-term care facilities, are expected to begin receiving doses within just a few days not was the EUA is granted.
This approval isn’t a full certification by the U.S. therapeutics regulator, but it is an emergency measure that still requires a comprehensive review of the available information supplied by Pfizer based on its Phase 3 clinical trial, which covered a group of 44,000 volunteer participants. Pfizer found that its vaccine, which is an mRNA-based treatment, was 95% effective in its final analysis of the data resulting form the trial to date – and also found that safety data indicated no significant safety issues in patients who received the vaccine.
On top of the initial 2.9 million dose order, the U.S. intends to distribute around 25 million doses by the end of 2020, which could result in far fewer people actually vaccinated since the Pfizer course requires two innoculations for maximum efficacy. Most American shouldn’t expect the vaccine to be available until at least late Q1 or Q2 2021, given the pace of Pfizer’s production and the U.S. order volume.
Still, this is a promising first step, and a monumental achievement in terms of vaccine development turnaround time, since it’s been roughly eight months since work began on the Pfizer vaccine candidate. Moderna has also submitted an EUA for its vaccine candidate, which is also an mRNA treatment (which provides instructions to a person’s cells to produce effective countermeasures to the virus). That could follow shortly, meaning two vaccines might be available under EUA within the U.S. before the end of the year.
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