In 272 patients with virus hepatitis A and B the content of theophylline-sensitive lymphocytes (T-suppressors) and theophylline-resistant lymphocytes (T-helpers) in the peripheral blood was determined. Differences in the content of T-suppressors in cases of acute virus hepatitis A and B with an equal degree of severity were revealed: at the peak of hepatitis A infection in the mild form of the disease the number of the cells was decreased, while at the peak of hepatitis B infection an increase in their number was observed in the mild and moderate forms of the disease and a decrease, in the severe form of the disease. In chronic persistent hepatitis a decrease in the content of T-suppressors and an increase in the content of T-helpers were observed, and in chronic active hepatitis (at the period of remission) and increase in the T-helpers occurred. Changes in the content of the cells of both types are not characteristic of HBsAg carriership.
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