John Prine is another star to fall ill amid the coronavirus pandemic following "indeterminate" test results. The singer-songwriter, 73, was taken to the hospital on Thursday after experiencing symptoms of the virus, according to a Twitter statement from his family. "After a sudden onset of Covid-19 symptoms, John was hospitalized on Thursday (3/26)," the statement read. "He was intubated Saturday evening, and continued to receive care, but his situation is critical." Prine is a Grammy-winning folk-country musician often described as one of the most important songwriters of his generation.