Pfizer says virus vaccine 90% effective

Pfizer says virus vaccine 90% effective

Pfizer Inc and BioNTech's COVID-19 vaccine candidate was shown to be over 90 percent effective in preventing infection from SARS-CoV-2 in participants without prior evidence of novel coronavirus infection in the first interim efficacy analysis.

"The first set of results from our Phase 3 Covid-19 vaccine trial provides the initial evidence of our vaccine's ability to prevent Covid-19", Pfizer chairman and CEO Albert Bourla said in a statement.

Ten of them were at the most advanced phase 3 stage, in which a vaccine's effectiveness is tested on a large scale, generally tens of thousands of people across several continents.> US President-elect Joe Biden Monday hailed as a cause for "hope" the news that a Covid-19 vaccine developed by Pfizer and BioNTech was 90 per cent effective - but warned of a long battle still ahead.

Submission for Emergency Use Authorization (EUA) to the FDA is planned soon after the required safety milestone is achieved, which is now expected to occur in the third week of November.

A total of 94 confirmed cases of COVID-19 infections were evaluated during the trial, with noninfected patients split between receiving the vaccine and a placebo.

BioNTech's co-founder and chief executive said he was optimistic that the protective effect of its experimental COVID-19 vaccine, co-developed with Pfizer, would last for at least a year.

The vaccine is believed to be a way out of all the restrictions imposed on people around the world.

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He continued: "We are a significant step closer to providing people around the world with a much-needed breakthrough to help bring an end to this global health crisis".

"By December we expect more data (on the molecular stability), and if those results allow us to keep the vaccine in a fridge for longer than five days, maybe two weeks, that would again simplify things".

An external, independent data monitoring committee analysing the trial did not report any serious safety concerns and recommended that the study continue to collect additional safety and efficacy data.

This, Pfizer and BioNTech said, means the application process will likely start towards the end of this month.

The companies project that they will produce up to 50 million vaccine doses globally in 2020 and up to 1.3 billion doses in 2021.

Pfizer, whose Manhattan headquarters is seen here, is among the companies in the race to develop a coronavirus vaccine.

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