Abstract
Summary
A single skin test with commercially-available histoplasmin did not stimulate significant antibody response in the sera of 187 persons when measured by the yeast phase complement-fixation, collodion agglutination or histoplasmin latex agglutination tests. Similarly, no effect was noted with the histoplasmin complement-fixation test in the sera of 97 skin-test negative individuals; in contrast 26.7% of skin-test positive persons developed significant titer increases.
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