Pfizer says analysis shows 3.8% of participants experienced fatigue
Reuters
Published Nov 18, 2020 09:46AM ET
NEW YORK (Reuters) - Pfizer Inc (NYSE:PFE) on Tuesday updated its analysis of the safety profile of its COVID-19 vaccine seen during its large, late-stage trial, saying that 3.8% of participants experienced fatigue after receiving a second dose of the shot.
It said the updated analysis was based on 8,000 trial participants. Pfizer said in a previous analysis that 3.7% of 6,000 volunteers had experienced fatigue.
Pfizer also added that there was a second adverse event with a frequency of at least 2% in the trial. The U.S. drugmaker said 2% of participants experienced headaches after the second shot.
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Written By: Reuters
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