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Table 2 Intradermal skin test results using B. bassiana extract

From: Allergens of the entomopathogenic fungus Beauveria bassiana

Patient ID Histamine control1 (0.1 mg/ml) B. bassiana Extract (1 mg/ml) B. bassiana/Histamine
  Induration2 Erythema2 Induration2 Erythema2 Induration ratio3
J4,5 7 × 6 12 × 16 8 × 8 12 × 13 0.65
K4,5 20 × 15 55 × 50 13 × 12 14 × 13 0.52
L4,5 11 × 10 16 × 33 13 × 14 26 × 28 1.65
M4,5 15 × 16 36 × 44 10 × 12 10 × 12 0.30
N 16 × 14 38 × 58 10 × 11 21 × 17 0.49
O 21 × 16 39 × 59 9 × 8 18 × 21 0.21
P 15 × 17 44 × 45 5 × 4 5 × 4 0.08
Q 15 × 14 36 × 38 9 × 12 10 × 13 0.51
R 15 × 15 55 × 38 4 × 4 11 × 13 0.07
S4 20 × 19 38 × 43 4 × 4 4 × 4 0.04
  1. 1In all instances saline control injections produced indurations of 3–4 mm × 3–4 mm.
  2. 2Values recorded in mm × mm.
  3. 3Induration ratio expressed as B. bassiana reaction area (mm2)/histamine reaction area (mm2).
  4. 4Individual with occupational exposure to Beauveria bassiana.
  5. 5See Western Blot results for individual, Fig. 2.