Tag: Haemophilus influenzae on chocolate agar

Haemophilus influenzae: Introduction, Morphology, Pathogenecity, Laboratory Diagnosis, Treatment and Key Notes

Haemophilus influenzae  colonies on chocolate agar after overnight incubation in a carbon dioxide atmosphere as shown above image. It must contain haemin or other iron-containing porphyrin and nicotinamide adenine dinucleotide  (NAD) or its phosphate (NADP). The porphyrin requirement is referred to as growth factor X and the NAD or NADP requirement as growth factor V. It was causative agent of  the devastating 1918 pandemic of influenza to now from local to systemic infections. Introduction of Haemophilus influenzae Haemophilus influenzae colonies on chocolate agar after overnight...

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