Illinois is a state in the Midwestern region of the United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash and Ohio rivers to its south. Of the fifty U.S. states, Illinois has the fifth-largest gross domestic product, the sixth-largest population, and the 25th-most land area. Its capital city is Springfield in the center of the …
Illinois is a state in the Midwestern region of the United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash and Ohio rivers to its south. Of the fifty U.S. states, Illinois has the fifth-largest gross domestic product, the sixth-largest population, and the 25th-most land area. Its capital city is Springfield in the center of the state, and the state's largest city is Chicago in the northeast.
AdCOVID booster & the updated COVID vaccine are the same. Learn about the updated vaccine. COVID viruses change over time; restore waning protection with the updated COVID vaccine.
Restore Waning Protection · Vaccine Schedule Timeline · Official CDC Information