WINDOW ROCK, Ariz. (AP) — The Navajo Nation on Sunday reported 18 more COVID-19 cases, but no deaths for the second time in the past three days. The latest numbers pushed the tribe’s totals to 33,531 confirmed COVID-19 cases from the virus since the …WINDOW ROCK, Ariz. (AP) — The Navajo Nation on Sunday reported 18 more COVID-19 cases, but no deaths for the second time in the past three days. The latest numbers pushed the tribe’s totals to 33,531 confirmed COVID-19 cases from the virus since the …