Dr. Maya Kotas was on one of two teams of UCSF health care workers who traveled to the two communities hit hardest by the coronavirus crisis: the Navajo Nation and New York City. She tells the Chronicle's Sarah Feldberg about the month she spent at a Manhattan hospital that was understaffed and overwhelmed by a tsunami of disease. | Get full Chronicle access: sfchronicle.com/pod Learn more about your ad choices. Visit megaphone.fm/adchoices