Another Walk-In Clinic In Dryden Dryden, ON, Canada / CKDR Mike Ebbeling Jan 7, 2022 | 10:28 AM The Northwestern Health Unit is hosting another COVID walk-in clinic today. (Friday) It’s being held at the Best Western from 10:30 a.m. to 3:30. The clinic is for all ages who are eligible for a first, second, or booster dose.