When comparing the frequency of IL17A rs2275913,IFNG rs2069705 and TNFA rs1800629 genotypes and alleles,AA homozygotes of rs2275913 ( p = 0.01), TT of rs2069705( p = 0.03) and allelic A variant of TNFA rs1800629 wereshown to be significantly more common in the group of childrenwith mild asthma relative to the control group. This evidence concerns the gene IL17A and asthma.