“Requires a blood bank to test or have tested donated blood for evidence of any COVID-19 vaccine and any other messenger ribonucleic acid (mRNA) vaccine components, and requires a blood donor to disclose during each blood donor screening process whether the blood donor has received a COVID-19 vaccine or any other mRNA vaccine during the donor’s lifetime.

Illinois General Assembly – Bill Status of HB4243 – 103rd General Assembly – https://www.ilga.gov/legislation/BillStatus.asp?