Improved Identification of Haemophilus Species

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This document outlines a new testing method aimed at distinguishing between H. influenzae and H. parainfluenzae in respiratory specimens, particularly sputum. It details the materials used, including a hem-in-free basal medium supplemented with NAD, and describes the testing procedures for inoculation and incubation. Results indicate that H. influenzae grows in the presence of hemin while H. parainfluenzae thrives with NAD, showcasing improved isolation and differentiation capabilities. The...