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Photochemical immunization is the name chosen by Peskind to designate the procedure in which foci of infection are irradiated with ultraviolet light. It is claimed that this method is really a form of specific autogenous vaccination, since irradiation of a focus of infection causes the release of antigen from the focus, producing local as well as systemic immunity. Excellent results were obtained in more than one thousand five hundred cases of focal infection. The author explains the theory in detail.
Photochemical Immunization.. Am J Dis Child. 1934;47(4):939. doi:10.1001/archpedi.1934.01960110222029