COVID-19 might have spread ‘unseen’ through Puget Sound as early as Christmas, study shows

In a study published Aug. 12 on The Lancet’s EClinicalMedicine journal, researchers from the University of Texas at Austin tested samples from patients with COVID-like symptoms in Wuhan, China, and the Seattle metropolitan area, including King and Snohomish counties.

Their conclusion: “The spread of COVID-19 in Wuhan and Seattle was far more extensive than initially reported."