Published May 11, 2009

State officials say there are now 176 confirmed cases of swine flu in Washington, including the first cases in Yakima County.

As of Monday, 121 cases were confirmed in King County, which includes Seattle; 34 were confirmed in Snohomish County; six in Pierce County; four in Clark County, which includes Vancouver; three in Spokane, two in Yakima and one each in Thurston and Skagit counties, and one person whose residency is unknown.

The state Health Department said Monday that another 19 cases are considered probable for swine flu.

Since Sunday’s update, the state confirmed 48 additional cases.

New samples come into the lab for testing each day. As of Monday afternoon, the state had more than 700 samples waiting for confirmation. State and federal officials have confirmed about a fifth of the Washington flu samples they have tested.