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Pfizer-BioNTech favored Covid-19 vaccine has fewer side effects - STAT
Pfizer and BioNTech surprised many industry watchers on July 27 when they announced they would conduct a large-scale study of a vaccine for Covid-19. The surprise? The vaccine that would be tested in a 30,000-patient trial wasn’t the one for which the companies had presented data on July 1.
The reason, the companies said, was that a second vaccine seemed to generate a similar immune response, but fewer side effects. On Thursday, they posted the results from all 332 people who received either vaccine, referred to as vaccines B1 or B2 — and indeed, B2 recipients experienced markedly fewer adverse events tied to the vaccine.
The study tested doses of each vaccine ranging from 10 micrograms to 100 micrograms. The 30-microgram dose of B2 is being taken forward in clinical trials.
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While it would be convenient, I have a number of doubts about CV vaccines.
Pfizer and BioNTech surprised many industry watchers on July 27 when they announced they would conduct a large-scale study of a vaccine for Covid-19. The surprise? The vaccine that would be tested in a 30,000-patient trial wasn’t the one for which the companies had presented data on July 1.
The reason, the companies said, was that a second vaccine seemed to generate a similar immune response, but fewer side effects. On Thursday, they posted the results from all 332 people who received either vaccine, referred to as vaccines B1 or B2 — and indeed, B2 recipients experienced markedly fewer adverse events tied to the vaccine.
The study tested doses of each vaccine ranging from 10 micrograms to 100 micrograms. The 30-microgram dose of B2 is being taken forward in clinical trials.
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While it would be convenient, I have a number of doubts about CV vaccines.