The paper reports the results of ribomunil trial in chronic bronchitis
(CB) patients who suffered from frequent exacerbations. The drug was
found to act primarily on a phagocytic component of the immunity and l
ocal immunity of the respiratory micosa. Because of its vaccine-like e
ffect, ribomunil administration is most beneficial in CB remission. Ri
bomunil treatment results in reduction of the number and duration of C
B exacerbations, of the scope of antibacterial therapy.