Pharmaceutical company Pfizer says late-stage testing on its potential COVID-19 vaccine indicates it is more than 90 percent effective.
Pfizer’s chairman and chief executive, Albert Bourla, along with its partner, BioNTech, made the announcement Monday regarding the Phase 3, late-stage study of their potential vaccine. The statement said the study showed the vaccine to be more than 90 percent effective in preventing the virus in participants without evidence of prior infection in the first interim efficacy analysis.
The analysis was conducted by an independent data monitoring board, which examined 94 infections recorded so far in a study that has enrolled nearly 44,000 people in the United States and five other countries.
In his statement, Bourla said the results demonstrate the potential vaccine can help prevent COVID-19 in the majority of people who receive it. He cautioned, however, that while this is a critical first step, these efficacy results alone will not allow the companies to apply for U.S. Food and Drug Administration ((FDA)) Emergency Use Authorization.
He said more data on safety is also needed, adding, “We are continuing to accumulate that safety data as part of our ongoing clinical study.
“We estimate that a median of two months of safety data following the second and final dose of the vaccine candidate – required by FDA’s guidance for potential Emergency Use Authorization – will be available by the third week of November,” he said.
The top infectious disease expert in the U.S., Dr. Anthony Fauci, has said he was looking for a vaccine with 70- to 75 percent efficacy and that even 50 percent was acceptable.
From his Twitter account, U.S. President Donald Trump noted the reported 90 percent efficiency, calling it “SUCH GREAT NEWS,” and that the stock market was “UP BIG” as a result.STOCK MARKET UP BIG, VACCINE COMING SOON. REPORT 90% EFFECTIVE. SUCH GREAT NEWS!— Donald J. Trump (@realDonaldTrump) November 9, 2020President-elect Joe Biden praised the development announced by Pfizer in a statement Monday but warned that the “end of the battle against COVID-19 is still months away.”Statement by President-elect Biden on Pfizer’s vaccine progress: pic.twitter.com/eOiLZnqO8N— Biden-Harris Presidential Transition (@Transition46) November 9, 2020The news comes as drug makers and research centers around the world scramble to deliver a safe and effective vaccine in an attempt to bring an end to the coronavirus pandemic that has claimed more than 1.25 million lives worldwide, according to the Johns Hopkins University.
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