November 7, 2023, variants of concern were reported based on sequencing of wastewater samples from the Clark County Water Reclamation District to give a broader picture of the COVID variants present in Clark County. Previous reports were based on sequencing of samples from COVID-19 cases in Clark County. The Southern Nevada Health District revised its reports after the number of people requesting COVID-19 PCR testing decreased due to the availability of self-testing kits.

Variants of Concern Reports (Based on Sequencing of COVID-19 Positive Tests)