December 22, 2020 - 4:54 PM WINDOW ROCK, Ariz. - The Navajo Nation is reporting 151 new coronavirus cases and seven more deaths from COVID-19. The latest figures reported Tuesday by the Navajo Department of Health bring the total number of cases on the reservation that extends into Arizona, New Mexico and Utah to 21,327. The Navajo Nation has reported 755 deaths since the pandemic hit. The Health Department says the first doses of the recently approved vaccine made by Moderna have arrived at the Navajo Area Indian Health Service. The Navajo Nation is in a three-week lockdown requiring all residents to stay home except for emergencies, shopping for essentials like food and medicine or travelling to an essential job.