By contrast, the t(12;21) ETV6-RUNX1 fusion gene is typically detected in children older than 2 years.     ///    ETV6-RUNX1 fusion gene and additional genetic changes in infant leukemia: a genome-wide analysis..     ///    "In a series of Brazilian infant leukemia cases, however, four younger cases harbored ETV6-RUNX1, at ages 2, 3, 5, and 7 months. "