Note: This episode contains strong language. More than a month since the onset of the coronavirus crisis, the majority of patients in Brooklyn Medical Center’s critical care unit have Covid-19. We followed one doctor through a day there, to get a sense of what it is like on the front lines of the pandemic.Guest: Sheri Fink, a correspondent for The New York Times covering public health, who spoke with Dr. Josh Rosenberg and his colleagues at Brooklyn Medical Center’s intensive care unit.For more information on today’s episode, visit nytimes.com/thedaily. Background reading: Test kits and protective gear have been in short supply, doctors are falling sick, and every day gets more difficult. But the staff at Brooklyn Medical Center keeps showing up.