“It only takes a few new cases to create multiple clusters of positive COVID-19 cases,” Nez said. “The latest reports of cluster cases result from individuals who traveled to cities off of the Navajo Nation, returned home with the virus, and …”It only takes a few new cases to create multiple clusters of positive COVID-19 cases,” Nez said. “The latest reports of cluster cases result from individuals who traveled to cities off of the Navajo Nation, returned home with the virus, and …