In the spring of 2020, COVID-19 arrived in New York City. Before long, America’s largest metropolis was at war against a virus that mercilessly swept through its five boroughs. It became apparent that if Covid wasn’t somehow halted, the death count in New York alone would be in the hundreds of thousands. And if New York’s hospitals failed, what chance did the rest of the country have? Brenner, having been granted unprecedented 18-month access to the entire New York-Presbyterian hospital system, tells the story of the doctors, nurses, residents, researchers, and suppliers who tried to...