title: HLA-A19
text: # HLA-A19
  
  HLA-A19 (A19) is a broad antigen HLA-A serotype that may recognize the A29, A30, A31, A32, A33, and 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.
  
  Subpages for A19 serotypes :
  
  * Split antigen serotypes
  * of A19 HLA-A
  * HLA-A29
  * HLA-A30
  * HLA-A31
  * HLA-A32
  * HLA-A33
  * HLA-A74
  