SARS-CoV-2 Sequencing and Variants in Washington State - November 2023

At a glance (data through November 28, 2023)

  • During the month of October 2023, 2.3% of all confirmed molecular COVID-19 cases were sequenced. This number is preliminary and will change over time as additional specimens are received from the previous month.
  • 143,210 (9.7%) COVID-19 cases in Washington state have sequencing information available since January 2021.