You must work for Snopes. Prior to ending collection, the Red Cross didn't accept vaxxed plasma, so at no point has the Red Cross accepted vaxxed plasma.
One of the Red Cross requirements for plasma from routine blood and platelet donations that test positive for high-levels of antibodies to be used as convalescent plasma is that it must be from a donor that has not received a COVID-19 vaccine
You must work for Snopes. Prior to ending collection, the Red Cross didn't accept vaxxed plasma, so at no point has the Red Cross accepted vaxxed plasma.