Dr Stephen Hahn, the commissioner of the US Food and Drug Administration, apologized Monday after misrepresenting a key statistic on how effective blood plasma is for treating COVID-19 when announcing an emergency approval measure.
The US on Sunday issued emergency approval for plasma taken from recovered coronavirus patients, so that more people can get access to the experimental treatment.
But Hahn and other senior health officials came under fire from experts after repeating a claim made by President Donald Trump that blood plasma from recovered COVID-19 patients reduced mortality rates by 35 percent.
FDA spokeswoman Emily Miller later tweeted that 35 percent referred to the relative difference in mortality risk between those patients in Mayo’s study who received a high level of antibodies against those who received a low level of antibodies.
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