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WASHINGTON (AP) — President Donald Trump says the Food and Drug Administration has issued an emergency use authorization for convalescent plasma to treat COVID-19 patients.

Trump, announcing the decision Sunday at the White House, called convalescent plasma a “powerful therapy.”

He says the FDA’s action will expand access to the treatment, which is already being used. The treatment involves transferring antibodies from recovered COVID-19 patients to patients suffering from the disease.

The announcement follows days of suggestions by White House officials of politically motivated delays by the FDA in approving a vaccine and treatments for the disease caused by the coronavirus.

Trump made the announcement on the eve of the Republican National Convention that will nominate him to run against Democrat Joe Biden.

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