The Department of Health announced six diagnosed measles cases Wednesday in King, Snohomish and Pierce counties. This is in addition to the case announced Sunday by the Tacoma-Pierce County Public Health Department.
Three cases were announced in King County. One was announced in Snohomish County and two in Pierce County.
Staff at Issaquah High School -- where one of the diagnosed patients had a potential exposure -- announced Wednesday evening that school would be closed Thursday so the public health department could check immunization records.
Staff at the school needed to obtain their records and share those records with administrators. Issaquah High staff said they had proof of immunization status for all students, and would still be offering AP tests Thursday at the school.
While the exact sources and locations of the measels infections are not known, all the new cases spent time in SeaTac Airport when they were likely infectious. Read more about the individual cases below.
The Tacoma-Pierce County Health Department announced Sunday that a man in his 40s was diagnosed with measles. The patient had been to SeaTac Airport and a meeting at Orting High School. To read locations of potential exposure, follow this link.
A second case was announced Wednesday. The patient is a man in his 50s that spent time in the Puyallup area while contagious.
A woman in her 40s and a woman in her 50s have been diagnosed with measles, according to the Washington State Department of Health. The Issaquah School District confirmed that one of the patients is an employee at Issaquah High School. Potential locations of exposure are listed below. Read more here.
On Friday evening, King County Public Health officials announced that it was investigating a third case in the county after a woman in her 40s tested positive for measles.
Officials said she spent time at King County sites before she was contagious.
Here's a list of times, which include the period when she was at the location and two hours after.
The Snohomish County Health District is currently investigating a confirmed measles case in an adolescent male. Health officials say he is a student at North Creek High School in Bothell. Potential places of exposure are listed below. Read more here.
School district officials said Wednesday evening that the district has been working the Snohomish Health District to review student vaccination records.
According to their records, they said almost 99 percent of North Creek students have received the MMR vaccine.
The school district has contacted families of students who have not received the vaccination.
"These students will be excluded from school until June 3, barring any additional confirmed cases," the district said.
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