The Illinois-based Center for COVID Control has more than 275 pop-up locations across the United States.
Washington state’slegal actioncomes about two weeks after Minnesota’s attorney general filed asimilar lawsuit.
The FBI has also searched the Center for COVID Control’s headquarters, USA Todayreported.
The company advertises free at-home, rapid and PCR testing.
The Center for COVID Control and Doctors Clinical Laboratory didn’t immediately respond to requests for comment.