OLYMPIA—On Friday, May , the Washington State Department of Health updated the definition of a COVID-19 close contact to align with new CDC guidance. The new guidance states that a close contact is defined as someone who was within six feet of someone with COVID-19 for at least 15 minutes. Previous guidance stated 10 minutes.

“Our guidance has changed over time as we learn more about COVID-19, and will continue to do so in the future,” said State Health Officer Dr. Kathy Lofy. “This update doesn’t change our recommendations for members of the public. We continue to urge people...