The American Red Cross is experiencing a severe blood shortage as the number of trauma cases, organ transplants and elective surgeries rise – and deplete the nation’s blood inventory. Donors of all blood types – especially type O and those giving platelets – are being urged to make an appointment to give blood soon. Right now, hospitals are responding to an atypically high number of traumas and emergency room visits, as well as overdoses and resulting transplants. In comparison to 2019, the Red Cross has seen demand from trauma centers climb by 10% in 2021− more than five times the...