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Community Update: Klebsiella pneumoniae investigation at VMMC

Last Updated: August 10, 2023

“The Klebsiella pneumoniae investigation at Virginia Mason Medical Center is now closed. Providing safe, high-quality care to our patients remains our top priority, and we must continually work together to make improvements and create sustainable results. I appreciate the hard work of our staff as well as local and state public health partners to support the investigation and reduce transmissions.”  – Sydney Bersante, Interim President, Virginia Mason Medical Center.

  • As of August 1, 2023, Public Health - Seattle & King County declared the Klebsiella pneumoniae investigation at Virginia Mason Medical Center closed. No new cases have been identified in over two months. 

  • Virginia Mason Medical Center is grateful for the collaborative efforts of our public health partners, the Washington State Department of Health (DOH), Public Health - Seattle & King County and the Centers for Disease Control and Prevention (CDC) in helping to resolve the Klebsiella outbreak, however no specific source was identified, 

  • There were 33 confirmed Klebsiella pneumoniae infections associated with this particular strain. The latest known confirmed case was identified on May 25. 

To learn more, visit Public Health Department of Seattle & King County.

Previous updates shared on July 27, July 6, June 7, May 26, April 28, 26, 25, 18, 2023, and Dec. 30, 2022