The Mercer Island School District and Costco have partnered to offer the updated Pfizer COVID-19 booster vaccine for individuals ages 12 and up from 8 a.m. to 1 p.m. on Sept. 17 at Northwood Elementary School, 4030 86th Ave. SE.

Volunteers are needed to check health attestations, confirm parent consent, student names and ages, help with traffic flow and monitor people when they are in the recovery area.

To volunteer, visit https://www.signupgenius.com/go/20f0c48aea822a6ff2-misd3

Shifts available are from 7:30-9:45 am, 9:30-11:45 am and 11:30 am to 1:30 pm.