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|pagetitle =Haemophilus species
 
|pagetitle =Haemophilus species
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|pagebody =''Haemophilus'' species are morphologically variable Gram-negative bacilli, ranging from short rods to long filaments. They inhabit the mucosal epithelium of the upper respiratory and lower genital tract. The genus includes commensal and pathogenic species.
 
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===Overview===
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*Inhabit mucosal epithelium of upper respiratory and lower genital tract
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[[Category:Bacteria]][[Category:Gram_negative_bacteria]][[Category:Rods]]
*Suppurative infections due to release of pro-inflammatory cytokines released from macrophages
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*Serofibrinous to fibrinopurative infections of lungs, body cavities and joints
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*Colonisation of meningeal vessels causes a thrombotic vasculitis leading to encephalitis and meningitis
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===''Haemophilus'' characteristics===
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*Morphologically variable Gram-negative bacilli, ranging from short rods to long filaments
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[[Category:To_Do_-_AimeeHicks]]
*Facultative anaerobes
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*Typically oxidase positive
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*Depend on beta-nicotinamide adenine dinucleotide (NAD) (V factor) and/or Haemin (X fector) for growth
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*Heated blood agar (Chocolate Agar) required for growth of NAD-dependent strains
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*Haemin-dependent strains grow on Blood Agar
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*Do not grow on MacConkey agar
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[[Category:Bacteria]][[Category:Gram_negative_bacteria]][[Category:Rods]]
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[[Category:To_Do_-_Bacteria]]
 
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