On March 30, the Navajo Nation announced the first confirmed case of the COVID-19, SARS-CoV-2 Strain Variant B.1.1.7 also referred to as the U.K. variant, from a COVID-19 test sample that was obtained in the western portion of the Navajo Nation.On March 30, the Navajo Nation announced the first confirmed case of the COVID-19, SARS-CoV-2 Strain Variant B.1.1.7 also referred to as the U.K. variant, from a COVID-19 test sample that was obtained in the western portion of the Navajo Nation.