Red Cross declares second-ever national blood supply crisis as donations fall to four-year summer low

A national blood supply crisis has been declared by the American Red Cross. This declaration comes as blood donations have reached a four-year summer low. The organization is taking steps to manage the limited supply, including limiting the distribution of type O blood to hospitals.

Further information on the crisis and its impact can be found through the American Red Cross, as reported by KTVU FOX 2 News in San Francisco.