Gay and bisexual men in the US who recover from COVID-19 will not be able to donate their plasma to help other patients with coronavirus.
Last week, the US Food and Drug Administration cleared the way to begin utilizing blood plasma to treat the virus. Plasma is the yellow fluid in which blood cells are suspended.
And doctors hope plasma from recovered COVID-19 patients will be an effective treatment. The technique, called convalescent-plasma therapy, dates back to the late 19th century.