National case definition: Group B streptococcal disease of the newborn

Date of last revision: May 2008

National notification

Only confirmed cases of disease should be notified.

Type of surveillance

Routine case-by-case notification to the federal level.

Case classification

Confirmed case

Clinical illness in an infant less than 1 month of age with laboratory confirmation of infection:

Probable case

Clinical illness in an infant less than 1 month of age with laboratory confirmation of infection:

Laboratory comments

Isolates should be forwarded to the National Microbiology Laboratory reference centre for further characterization.

Clinical evidence

There are two forms of clinical illness: early onset disease (1-7 days), characterized by sepsis, respiratory distress, apnea, shock, pneumonia and meningitis; and late onset disease (7 days to 1 month), characterized by bacteremia, meningitis and other focal infections.

ICD code(s)

Comments

Probable case definitions are provided as guidelines to assist with case finding and public health management, and are not for national notification purposes.

References

Case definitions for diseases under national surveillance. CCDR 2000;26(S3):55.

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