Final Colorado vaccine lottery winner announced, but did the incentive lead to more to vaccinations? Data shows a decline in vaccinations, but experts say it doesn't tell the whole story Colorado mom Heidi Russell was the final $1 million winner of the Colorado Comeback Cash vaccine lottery. Statewide data shows the lottery may have had little effect on getting hesitant Coloradans immunized, but experts say it doesn't tell the whole story. and last updated 2021-07-08 08:12:19-04 DENVER â Colorado Gov. Jared Polis announced the final winner of the Colorado Comeback Cash vaccine lottery on Wednesday after five drawings and $5,000,000 distributed. The winner was Colorado mom Heidi Russell, who said she would use the money on her four children and to pay off student debt.