In the Gujarati population of India, the TaqI TT genotype and the FokI ff genotype are risk genotypes [29]; nevertheless, VDR-(FF+ff) and tt genotypes are TB risk genes and VDR-(TT+Tt) and Ff genotypes are antagonistic genes that protect the body against TB in a Ningxia population of China [28]. Here, VDR is linked to tuberculosis.