Pfizer's Covid-19 vaccine: All you need to know

Darnell Taylor
November 17, 2020

The work of USA drug giant Pfizer and German biotech firm BioNTech, developers said results showed "initial evidence of our vaccine's ability to prevent Covid-19".

Pfizer shares jumped 15 percent around 1355 GMT after Pfizer and BioNTech announced Monday morning that ongoing Phase 3 trials showed the success of the vaccine, in the last stage before it can seek approval from authorities to distribute the preventative.

Ian Jones, professor of virology at the University of Reading, said the Pfizer trial data shows "really impressive protection and no reported adverse events". The statement was released as soaring coronavirus cases across the world have forced many millions of people back into lockdown, causing further damage to ravaged economies.

The company says it is on track to submit a request for Emergency Use Authorization (EUA) in the USA after the required safety milestone in the third week of November.

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Shortly after the exchange opened, stock markets rose following Pfizer's report that its coronavirus vaccine is effective and amid uncertainty over the presidential election.

Based on current projections and if the vaccine is deemed safe, the companies could expect to produce up to 50m vaccine doses globally in 2020 and up to 1.3bn doses in 2021. Of these, 38,955 have received a second dose of the vaccine candidate.

Dr. Albert Bourla, Pfizer Chairman and CEO, said: "Today is a great day for science and humanity".

Early results from the Pfizer/BioNTech Covid-19 vaccine trial suggest it could be 90pc effective among those with no prior coronavirus infection. Crucial information absent from the companies' announcement is any evidence that the vaccine prevents serious COVID-19 cases or reduces hospitalizations and deaths due to the disease.

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