Posted by The Daily Journal
This appeared in the October 10, 2026 edition of The Daily Journal:
 
In 1988, when the Global Polio Eradication effort began, there were 350,000 cases of wild polio each year -- about 1,000 cases a day.  Fill in the squares with two dots YELLOW.  Fill in the spaces with one dot BLUE.  This will reveal the year that the last case of wild polio happened in the United States.