blood

Blood centers in the U.S. are scrambling to track down hundreds of thousands of former donors turned away because of worries about mad cow disease in Europe more than two decades ago.

The nation’s largest supplier of platelets is moving to a method it says is easier for hospitals, but one that sharply raises costs, leading some centers to demand more options.

Inside the Grifols Biomat USA Plasma Center, people from all over the community come to donate, with their stories, afflictions and motivations with them.