Allergic constitution and immunological condition of children infected with giardia lamblia.

In the group of 81 children infected with Giardia lamblia, the chosen parameters of cellular and humoral immunity as well as the effect of allergic costitution on the clinical picture of giardiasis were evaluated. Both cellular and humoral immunity disorders were found in patients with a chronic form of infestation. An allergic constitution coexisting with giardiasis promotes the chronicity of this parasitosis and a progressing allergization.