Reports

Cytochemical Assay of Interferon Produced by Duck Hepatitis Virus

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Science  15 Feb 1963:
Vol. 139, Issue 3555, pp. 595-596
DOI: 10.1126/science.139.3555.595

Abstract

A microscopic, cytochemical technique for assay of interferon is described in which psittacosis virus is the indicator agent. Interferon, produced in tissue culture cells in response to duck hepatitis virus, is used to illustrate the procedure.