“If I’m blunt about it, it’s a joke,” said Michael Dowling, the head of Northwell Health, New York’s largest hospital system. “Everyone can say, ‘Thank you for putting up these wonderful places and opening up these cavernous halls.’ But we’re in a crisis here, we’re in a battlefield.”…

On top of its strict rules preventing people infected with the virus from coming on board, the Navy is also refusing to treat a host of other conditions. Guidelines disseminated to hospitals included a list of 49 medical conditions that would exclude a patient from admittance to the ship.

Ambulances cannot take patients directly to the Comfort; they must first deliver patients to a city hospital for a lengthy evaluation — including a test for the virus — and then pick them up again for transport to the ship…

Mr. Dowling said he has had to tear his hospitals apart, retrofitting any unused space, including lobbies and conference rooms, into hospital wards. His facilities now house 2,800 so-called Covid patients, up from 100 on March 20, he said. About 25 percent of those are in serious conditions in intensive care units.