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Frei test
Wilhem S Frei, German dermatologist 1885-1943.
A diagnostic test for lymphogranuloma venereum. Intradermal injection of Frei antigen results in a positive delayed hypersensitivity reaction. It is not specific for lymphogranuloma venereum.
Frei antigen is a sterile preparation of inactivated Chlamydiae from domestic birds.
Related
Frei, Wilhelm S
General
skin testing
References
Stedman's Medical Dictionary 26th ed, Williams &
Wilkins, Baltimore, 1995