Invasive pneumococcal disease in Australia, 2004

Authors

  • Paul W Roche Office of Health Protection, Department of Health and Ageing, Canberra, Australian Capital Territory
  • Vicki Krause Centre for Disease Control, Department of Health and Community Services, Darwin, Northern Territory
  • Mark Bartlett Communicable Diseases Branch, Department of Health, Sydney, New South Wales
  • David Coleman Communicable Diseases Prevention Unit, Department of Health and Human Services, Hobart, Tasmania
  • Heather Cook Centre for Disease Control, Department of Health and Community Services, Darwin, Northern Territory
  • Craig Davis Communicable Diseases Section, Department of Human Services, Melbourne, Victoria
  • James Fielding Communicable Disease Unit, Queensland Health, Brisbane, Queensland
  • Ros Holland Communicable Disease Control Branch, Department of Human Services, Adelaide, South Australia
  • Carolein Giele Communicable Disease Control Branch, Department of Health, Perth, Western Australia
  • Robin Gilmour Communicable Diseases Branch, Department of Health, Sydney, New South Wales
  • Riemke Kampen Communicable Diseases Control Unit, Department of Health and Community Care, Canberra, Australian Capital Territory
  • Mitchell Brown
  • Lyn Gilbert Centre for Infectious Diseases and Microbiology, Institute of Clinical Pathology and Medical Research, Westmead, New South Wales
  • Geoff Hogg Microbiological Diagnostic Unit, University of Melbourne, Melbourne, Victoria
  • Denise Murphy Queensland Health Pathology and Scientific Services, Brisbane, Queensland
  • Pneumococcal Working Party of CDNA

DOI:

https://doi.org/10.33321/cdi.2006.30.2

Keywords:

disease surveillance, pneumococcal disease, Streptococcus pneumoniae

Abstract

There were 2,375 cases of invasive pneumococcal disease (IPD) notified to the National Notifiable Diseases Surveillance System in Australia in 2004; a notification rate of 11.8 cases per 100,000 population. The rate varied between states and territories and by geographical region with the highest rates in the Northern Territory. Invasive pneumococcal disease was reported most frequently in children aged less than 5 years (55.4 cases per 100,000 population). Enhanced surveillance for IPD was carried out in all states and territories, in 2004, providing additional data on 2,023 (85%) cases. The overall rate of IPD in Indigenous Australians was 3.2 times the rate in non-Indigenous Australians. There were 154 deaths attributed to IPD resulting in an overall case fatality rate of 7.6 per cent. Rates of IPD in the Indigenous and non-Indigenous under 2-year-old population were similar in 2004 (91.5 and 93.6 cases per 100,000 population, respectively) following a targeted introduction of the 7-valent pneumococcal conjugate vaccine (7vPCV) in mid-2001 for Indigenous infants and children. Serotypes of isolates were identified from 80 per cent of all notified cases, with 72 per cent of isolates belonging to serotypes represented in the 7vPCV and 91 per cent in the 23-valent polysaccharide pneumococcal vaccine (23vPPV). Comparison of serotypes in the 7vPCV target population showed that the rate of IPD due to 7vPCV serotypes decreased by 74 per cent between 2001–02 and 2003–04. Of 216 isolates with reduced penicillin susceptibility, 83 per cent belonged to pneumococcal serotypes in the 7vPCV and 95 per cent in the 23vPPV. Commun Dis Intell 2006;30:80–92.

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References

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Published

01/03/06

How to Cite

Roche, Paul W, Vicki Krause, Mark Bartlett, David Coleman, Heather Cook, Craig Davis, James Fielding, et al. 2006. “Invasive Pneumococcal Disease in Australia, 2004”. Communicable Diseases Intelligence 30 (March):80-92. https://doi.org/10.33321/cdi.2006.30.2.

Issue

Vol. 30 (2006)

Section

Annual report

Categories

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Copyright (c) 2006 Communicable Diseases Intelligence

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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