(CNN) One-third of Medicare recipients diagnosed with Covid had to be hospitalized, and more than a quarter of that group died, according to federal data released Monday. And 28% of those who were hospitalized died, according to the Centers for Medicare and Medicaid Services. Overall, there were nearly 525 cases per 100,000 Medicaid enrollees. But there were more than 1,100 cases per 100,000 Black enrollees, and nearly 700 diagnoses per 100,000 Hispanic recipients. But the rates for Black and Hispanic enrollees were nearly 475 and more than 250 hospitalizations per 100,000 recipients, respectively.