[Tumors caused by HP viruses in children in various locations, multiplicity of the tumors and possibilities of modern therapy].

The author gives an account of tumours caused by HP virus, its different antigenic types, the possibility of the incidence of different types of tumours at different sites in the same patient and the possibility of their transfer. The author gives also an account of hitherto used treatment of papillomatosis of the larynx in children and justification of immunocorrective treatment.