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Children undergoing treatment at a hospital in Queens are being relocated to make room for a surging number of coronavirus patients in critical condition, The Post has learned.

The drastic measures are underway at NewYork-Presbyterian Queens in Flushing, Dr. Laura Forese, the hospital network’s executive vice president and COO, revealed Wednesday morning during a video staff briefing.

Forese said the kids were being moved so the hospital can expand its intensive care unit to treat desperately ill coronavirus patients, according to a source familiar with the briefing.

The NewYork-Presbyterian network is currently treating 1,000 patients with the deadly disease — 20% of whom need ICU beds, Forese said.

NewYork-Presbyterian Queens is a “tertiary” — or specialized care — hospital with 535 beds, according to its website.

Also during Wednesday’s briefing, Forese said physicians at NewYork-Presbyterian/Columbia University Medical Center in Upper Manhattan had figured out how to safely hook up multiple patients to a single ventilator.

Forese said the process was complicated, but that it would be shared with rival hospitals.

The Post previously revealed that experiments on the technique were underway.

Mayor Bill de Blasio has repeatedly warned that city hospitals were facing a critical shortage of ventilators, and said Tuesday that the federal government was sending 4,000 units to New York within 48 hours — with half earmarked for the Big Apple.

That shipment is in addition to 400 ventilators that President Trump said he was giving the city on Tuesday.

“I want to thank the administration for what has begun to happen, but I need everyone in Washington to understand that it’ll just get us to the first week of April, even with this new supply,” Hizzoner said.

“It is something that literally is going to be the difference between life and death for thousands upon thousands of New Yorkers.”

NewYork-Presbyterian didn’t immediately respond to a request for comment.