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A Covid-19 vaccine is in the offing, with the announcement of the first interim results in large-scale trials showing that the Pfizer / BioNTech candidate is 90% effective, according to the manufacturers, whose analysis shows a far better performance than most experts. I expected.
The high percentage of protected people makes the findings compelling. Regulators have said they would approve a vaccine that is 50% effective, protecting half of those who receive it. The company says there have been no serious side effects.
“Today is a great day for science and humanity. The first set of results from our phase 3 trial of the Covid-19 vaccine provides the initial evidence of our vaccine’s ability to prevent Covid-19, ”said Dr. Albert Bourla, President and CEO of Pfizer.
“We are reaching this critical milestone in our vaccine development program at a time when the world needs it most, with infection rates setting new records, hospitals approaching overcapacity and economies struggling to reopen.”
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