DERBY \u2014 The Griffin Health COVID-19 vaccination centers at 10 Progress Drive in Shelton and 727 Rubber Ave. in Naugatuck are now accepting walk-in appointments. Both of the centers offer COVID-19 vaccinations for anyone 16 years and older. The Shelton location is open from 6 a.m. to 6 p.m. on weekdays and from 6 a.m. to noon on Saturdays and Sundays. The Naugatuck location is open from 7 a.m. to 6 p.m. on weekdays and from 7 a.m. to noon on Saturdays. The centers will continue to accept scheduled appointments. Individuals with questions can email firstname.lastname@example.org or visit griffinhealth.org\/vaccination. Individuals are encouraged to bring their health insurance card and photo ID if they have them. However, it is not necessary to have health insurance or a state-issued ID to receive the vaccine. No one will be turned away for lack of insurance or ID.