" Walk-in Clinic in Stamford, CT It’s easy to confuse the differences between minute clinics and urgent care centers. While many big-named pharmacies and superstores across the nation offer minute clinics to customers, they generally lack in services they can provide. Most minute clinics offer services like flu shots and strep throat diagnoses on a walk-in basis, but they don’t administer physicals or provide treatment for minor injuries. At AFC Urgent Care Stamford, we ...