Missouri is still near the bottom of the pack when it comes to childhood vaccination rates.
The results of the CDC's annual National Immunization Survey show about 68 percent of children under age 3 got all the required vaccinations in 2011. That's about the same as in 2010, and up from 56 percent in 2009.
In Illinois, vaccination rates fell from about 75 percent in 2010 to about 72 percent in 2011.
Both states are now below the national average of 73 percent. North Dakota topped the list, with a vaccination rate of 83 percent.
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