HLA-A19

HLA-A19 (A19) is a broad antigen HLA–A serotype that recognized the HLA-A29,HLA-A30,HLA-A31,HLA-A32,HLA-A33, and HLA-A74 serotypes. While these haplotypes are found all over the globe their combined frequencies are higher in Sub Saharan Africa, frequencies tend to decline away from Africa.

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