Walk-in clinics are for anyone aged 18 years and older. All second doses must be at least 8 weeks from first dose. A full list of walk-in venues and dates in the Tees Valley area is available here. Further walk-in clinics will be added across Tees Valley as the roll-out continues - No appointment necessary. You can also continue to book online appointments at large vaccination centres or community pharmacies here. PLEASE remember to cancel your online booking if you choose to attend a walk-in clinic after making an appointment at a large vaccination centre, GP-led clinic or community pharmacy site.