Pfizer COVID-19 vaccine found to be 90% effective.
The finding was the result of the first independent analysis of any Covid-19 vaccine in phase 3 trials — the final stage before commercial licensing. Out of the 43,000 trial participants, the small number who were infected enabled the independent evaluators to calculate the effectiveness after two doses.
“To me, this is the best possible outcome,” Ugur Sahin, co-founder and chief executive of BioNTech told the Financial Times, while Pfizer boss Albert Bourla said it was “a great day for science and humanity”.
“I would say it’s a historical moment. Something like this has never happened before. First of all, the world was faced with such a terrible situation, the pandemic, and being able in such a short time to go through what usually takes many years,” Kathrin Jansen, head of vaccine research and development at Pfizer, said in an interview. “Hearing that at the interim analysis we are over 90 percent effective — it was almost stunning to hear.”
Pfizer shares jumped almost 15 per cent in pre-market trading in New York, while Nasdaq-listed BioNTech rose 25 per cent.
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