HAEMOPHILUS MENINGITIS, INVASIVE DISEASE
Haemophilus influenzae

Clinical Criteria
Not relevant for surveillance purposes

Laboratory Criteria
Laboratory criteria for case definition
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, if possible

Epidemiological link

NA 

Case Classification
A. Possible case NA
B. Probable case NA
C. Confirmed case
Any person meeting the laboratory criteria for case confirmation