Detection of Aspergillus fumigatus serum precipitins by counterimmunoelectrophoresis

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Abstract
Detection of serum precipitins to Aspergillus fumigatus by counterimmunoelectrophoresis is compared with the immunodiffusion technique. Eight of nine (89%) sera from patients with proven A. fumigatus infection were positive by both methods. No serum from subjects with other systemic mycoses, bacterial infections, or healthy controls had detectable precipitins. The highest serum precipitin titers were found in sera of patients with the mycetomal and invasive forms of the disease. Detection of A. fumigatus serum precipitins by counterimmunoelectrophoresis compares favourably with immunodiffusion and has the advantage of significantly reducing the time required for results.