All Illinoisans age 5 and up are eligible for the COVID-19 vaccine.
The State of Illinois Coronavirus Response website contains complete details on vaccination eligibility.
Pfizer-BioNtech COVID-19 Vaccine
"On May 12, 2021, the U.S. Centers for Disease Control and Prevention (CDC) accepted the recommendation of the independent Advisory Committee on Immunization Practice to expand use of the Pfizer-BioNTech COVID-19 vaccine to youth ages 12 through 15 years. The announcement comes following the U.S. Food and Drug Administration’s expansion of the emergency use authorization for the Pfizer-BioNTech vaccine on May 10, 2021. Previously, the Pfizer-BioNTech vaccine was authorized for use in individuals ages 16 years and older. The Pfizer-BioNTech COVID-19 vaccine is administered as a series of two doses, three weeks apart, for all ages."
Source:
COVID-19 Vaccines
General vaccination information from the Centers for Disease Control and Prevention
General vaccination information from the World Health Organization