Colorado: Gov. Jared Polis has unveiled the Colorado Comeback Cash Vaccine Drive, a five-week sweepstakes that will award five people $1 million each for getting a vaccine. Delaware: Delaware residents 18 years and older who get vaccinated between May 25 and June 29 will have a chance to win a variety of cash and other prizes, including vacations and free tolls. Those 12 to 17 years old will have a chance to win a full scholarship to a state university. Illinois: Gov. J.B. Pritzker announced on May 13 that Six Flags Great America will offer 50,000 free tickets — valued at $4 million — to newly vaccinated Illinois residents.