America’s blood supply is so low the Red Cross is calling it a crisis

For only the second time in its history, the American Red Cross has declared a national blood crisis, and the second time it’s done so in the past five years, as it cautions that the current blood supply could threaten patient care. With less than a one-day national supply of type O blood on-hand, the Red Cross said it’s been forced to limit distributions to individual hospitals, which is problematic as it’s the most commonly transfused blood type. The goal, according to the Washington, D.C.-...