Clinico-immunogenetic study on Egyptian multicase tuberculous families.

Thirteen multicase Egyptian families (having more than one sib affected) with pulmonary tuberculosis have been studied. They include 26 parents (4 were tuberculous) and 53 sibs (30 tuberculous and 23 healthy). For all of them the following have been carried out: (a) Clinical, radiological, and bacteriological examination for diagnosis and evaluation of the disease severity; HLA-antigen determination using 9(A), 16(B) and 6(DR) antigens.