The FEMA Bus has open volunteer shifts every day until February 28th either from 11:30-3:30pm or 3:00-7:00pm.
Location: Auburn General Services Administration Complex at 2701 C St SW Auburn, WA 98001.
Here is the link to sign-up FEMA COVID-19 Vaccination Bus Volunteer Shifts (office365.com).
Questions: email CovidVaccinationVolunteers@kingcounty.gov