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Comparative Study
. 1986 Mar;23(3):637-9.
doi: 10.1128/jcm.23.3.637-639.1986.

Comparison of a new commercially prepared porphyrin test and the conventional satellite test for the identification of Haemophilus species that require the X factor

J L Gadberry, M A Amos
Comparative Study

Comparison of a new commercially prepared porphyrin test and the conventional satellite test for the identification of Haemophilus species that require the X factor

J L Gadberry et al. J Clin Microbiol. 1986 Mar.

Abstract

A test with a commercially developed porphyrin test agar was examined for the identification of Haemophilus spp. The porphyrin test agar method was compared with the conventional paper strip satellite method in tests with 187 isolates and was found to be easier to perform and interpret, giving a sensitivity of 98.7% and specificity of 94.7%.

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