Key Concept

Key Evidence: A study including thousands of children from the U.S. state of Texas found that children born in counties with high coverage of HepB, Polio, and Hib vaccines were 33%, 37%, and 42% less likely to develop a specific type of leukemia than children born in counties with lower coverage of each vaccine.

Pagaoa, M. A., Okcu, M. F., Bondy, M. L., et al. 2011. Associations between vaccination and childhood cancers in Texas regions. The Journal of Pediatrics. 158(6).
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