Haemophilus influenzae disease (invasive) (Haemophilus influenzae (blood, CSF or other normally sterile site))

Haemophilus influenzae disease (invasive) (Haemophilus influenzae (blood, CSF or other normally sterile site)) -

Clinical criteria
Any person with clinical picture compatible with invasive disease, i.e. bacteraemia, meningitis, arthritis, epiglottitis, osteomyelitis or cellulitis

Laboratory criteria
At least one of the following two:
- Isolation of Haemophilus influenzae from a normally sterile site
- Detection of Haemophilus influenzae nucleic acid from a normally sterile site
Typing of the isolates should be performed

Epidemiological criteria
NA

Case classification
A. Possible case
A case with clinical epiglottis without any laboratory confirmation or with identification only from a non-sterile site
B. Probable case
NA
C. Confirmed case
Any person meeting the laboratory criteria

Current as of: 24 January 2019

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