It was established that healthy people independently on the age had the lowest haptoglobin phenotypes frequency for Hp 1-1 and the highest for Hp 2-1. The age features of distributing alteration were not revealed. Conducted researches in patients with viral hepatitis B showed that most often these patients had haptoglobin Hp 1-1 phenotype against a background of the decline of the haptoglobin Hp 2-2 frequency. It is also established, that the number of phenotype Hp 1-1 patients had an age-dependent increase.
