A sailor who tested positive for Covid-19 on the USS Theodore Roosevelt has died of the coronavirus, the US Navy said Monday.

The Navy did not disclose the name of the sailor, who was admitted to the intensive care unit of a US Navy hospital on Thursday.

Nearly 600 sailors on the Roosevelt have tested positive for Covid-19, the US Navy said in a statement, adding that 92% of the Roosevelt’s crew members have been tested for the virus.