[Viral hepatitis type A as an important all-clinical problem].

The article contains present-day data on type A viral hepatitis, whose incidence in Russia has increased significantly in the recent years. The authors consider the pathogenesis of type A hepatitis, taking into account the peculiarities of immune response to the virus. Clinical manifestations of various variants, including anicteric one and combinations of type A hepatitis with hepatites of other etiologies, are described. The authors stress the diagnostical significance of anti-HAV IgM detection, the aspects of differential diagnosis, treatment, as well as specific and non-specific prophylaxis of type A viral hepatitis.