Washington (CNN) There are currently coronavirus cases on 26 US Navy warships, and another 14 have been hit by the virus but the crew members impacted have recovered, a senior Navy official told CNN Wednesday.

The 26 ships with current cases are in port or maintenance yards, the official added.

The Navy is not releasing the names of the individual ships impacted or the exact number of cases because Defense Department policy states that it would risk operational security if the details became public.

There are currently 90 ships at sea with no reported cases and the Navy currently has 297 active duty warships.

As of Wednesday morning, 3,578 US service members have tested positive for the virus, including two deaths. Nearly 800 of those cases have come from the outbreak aboard the USS Theodore Roosevelt aircraft carrier where one sailor also died.

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