FDA is giving blood centers that collected investigational convalescent plasma prior to the administration’s Aug. 23 emergency use authorization , 90 days to meet the EUA’s new requirements. Numerous blood establishments and health care providers have asked FDA how they should handle the investigational plasma that remains in their inventory and told the agency they needed to continue collecting investigational plasma as they take steps to comply with the EUA. The agency says it understands investigational convalescent plasma collected before...