The state Department of Public Health-Griffin Health Mobile Vaccination Team will be holding a walk-up COVID-19 vaccination clinic in Danbury today. No appointment is needed for the clinic outside Barbarie's Grill at the mall from 3pm to 7pm. Pfizer and Johnson & Johnson vaccines will be administered. Anyone 12 and older is eligible to be vaccinated, though kids under 18 will need to be accompanied by a parent or guardian.