For those who are uninsured or under-insured, CDPH will have vaccine at its three CDPH Immunization Clinics. Walk-ins are welcome, but registration is highly encouraged. Create an account and register for an appointment at https://getvaxchi.chicago.gov or by calling the clinic. Call ahead to make sure COVID-19 vaccine doses have arrived.

Pfizer's and Moderna's formulas have been the go-to on pharmacy shelves, but Novavax remains an important option.

The Centers for Disease Control and Prevention says that the Food and Drug Administration has ended a program that provided free COVID-19 vaccines in August of 2024. Because of that, some are warned to double-check your insurance before getting the shot.