Comparison of Venom and Whole-Body Rast and Intradermal Testing in Vespid-Sensitive Patients

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Abstract
14 patients clinically hypersensitive to vespid sting by history, 6 patients with large local reactions and 10 control subjects were skin tested with serial two- and tenfold dilutions of venom and whole-body extract of yellow jacket, wasp, and white-faced hornet antigens. Radioallergosorbent test determinations with the same antigens were also made. Determination of minimal reactive dose by skin testing distinguished control and hypersensitive patients groups for all three antigens using either venom or whole body extract. Yellow jacket venom skin testing detected 12 of 14 patients considered clinically hypersensitive. This was not the case with the other two venoms, possibly because most of the patients were yellow jacket sensitive, or any of the whole-body extracts. The Radioallergosorbent test was less useful than venom skin testing in detecting patients considered clinically sensitive.