Boeing haven’t confirmed it yet, but it looks like they are going to move all 787 production out of Everett. These sorts of moves were probably inevitable as Boeing have shown that breaking the union is their biggest goal.
Still and all, if it isn’t replaced with something, it won’t be good. If not for the pandemic, I wouldn’t be too worried about a return of the will the last person to leave Seattle turn out the lights era. The regional economy is more diverse than it was then. But it is the pandemic. And there aren’t too many good jobs for people without a college education.
In any event, wash your hands right now.