The Griffin Health Mobile Vaccination Team will be holding a walk-up COVID-19 vaccination clinic in Danbury today. No appointment is needed for the Pfizer or Johnson & Johnson shot. The yellow van will be at Rogers Park Middle School from 11am to 5pm. This is a partnership with the Danbury Public School District and the state Department of Public Health. The van will be back at Rogers Park Middle School on the 30th from 3pm to 7pm for second dose Pfizer shots to be administered.