Fact sheets

Influenza fact sheet   (PDF 21.38KB)

Public Health action

• OD 0041/07 Adult influenza and pneumococcal immunisation program

• Australian Immunisation Handbook

• Therapeutic Guidelines: Antibiotic. Therapeutic Guidelines Limited: Melbourne

• Communicable Disease Guidelines for teachers, child care workers, local government authorities and medical practitioners. Department of Health, Western Australia
  

Additional sources of information

• WA epidemiology

• Control of Communicable Diseases Manual

Case definition

Reporting

Only confirmed cases should be notified.

Confirmed case

A confirmed case requires laboratory definitive evidence only.

Laboratory definitive evidence

1. Isolation of influenza virus by culture from appropriate respiratory tract specimen
OR

2. Detection of influenza virus by nucleic acid testing from appropriate respiratory tract specimen
OR

3. Detection of influenza virus antigen from appropriate respiratory tract specimen
OR

4. IgG seroconversion or a significant increase in antibody level or a fourfold or greater rise in titre to influenza virus
OR

5. Single high titre to influenza virus.