In this interview, retired Army combat veteran Erin Marie Olszewski, a nurse who for several months treated COVID-19 patients at the Elmhurst Hospital Center, a public hospital in Queens, New York — the epicenter of the pandemic in the U.S.

She has now written a book, "Undercover Epicenter Nurse: How Fraud, Negligence, and Greed Led to Unnecessary Deaths at Elmhurst Hospital," which details her experiences.