A young woman who had close contact with an infant exposed to measles is the second confirmed case of the disease in Pierce County in the last six years, according to the Tacoma-Pierce County Health Department.
Health officials are warning people who might have been near the young woman in recent days to visit their doctor and figure out whether they also have measles.
Symptoms could start showing as early as Thursday or as late as July 21.
People could have been affected if they were at:
The cases are connected to 10 South King County cases, which involve members of the same extended family, officials said. The infant in Pierce County was exposed to one of the King County cases at the emergency department of Mary Bridge Children’s Hospital and Health Center on June 10.
The King County cases are connected to a person who returned to the United States from Micronesia with measles May 26, the King and Pierce County health departments said.
Before the most recent outbreak, 15 cases of measles had been confirmed in Washington State since May 30.
Anyone who might have measles should call their health provider before going to a clinic or hospital to avoid spreading the disease further, health officials said.
Symptoms can include a fever or unexplained rash, as well as a cough and red, watery eyes.