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Slide 13 IPD has only been notifiable on a country-wide basis since the beginning of 2001 although it has been notifiable in the Northern Territory (NT) for eight years and in Queensland (QLD) for seven years. This change in notification has required changes in Public Health legislation in all States and Territories and has resulted in different starting dates for data collection. There are also differences in the types of data collected from different areas, however this has meant that much more detailed data, has been collected in some areas. A second National Workshop has now been held which evaluated the first year of this enhanced surveillance and the vaccination programme. The remainder of this presentation looks at the data collected from this enhanced surveillance in 2001.

Slide 14 This slides presents the number of cases of IPD reported by the States and Territories in 2001 where enhanced surveillance was carried out; New South Wales (Nsw), Northern Territory (NT), South Australia (SA), Tasmania (Tas), Victoria (Vic), and Western Australia (WA). It is apparent that pneumonia (Pneu) and bacteremia (Bac) are the most common manifestations of IPD, accounting for 56% and 36% of the total cases respectively. Pneumonia was most common among the elderly, while bacteremia and meningitis (Menin, 6% of cases) where more common in children. ‘Other’ here refers to cases of otitis media and sinusitis and also includes detection of S pneumoniae in pleural, peritoneal and joint fluid (6% of cases). Two percent of cases had an unknown clinical presentation (Unk).

Slide 15 Since 2001, Australia has not had a breakdown of clinical presentations on a national database. The number of cases reported State by State is available from Australian Capital Territory (Canberra, Act), New South Wales (Nsw), Northern Territories (NT), Queensland (QLD), South Australia (SA), Tasmania (Tas), Victoria (Vic) and Western Australia (WA). The reports for 2003 are to date. A three fold increase was seen between 2001 and 2002 in SA and in NSW the number of reported cases doubled in the same time. Cases in the Capital Territory also increased 1.7 fold. The only decrease was seen in NT.

Slide 16 Unfortunately, the disease surveillance information is not reported in the same format by each state and therefore it is impossible to tabulate on a comparative basis. The findings of the report from the November 2002 workshop have therefore to be presented on a state by state basis. The following seven slides describe the findings from New South Wales (NSW, slide 16), Northern Territories (NT, slide 17), Western Australia (WA, slide 18), Victoria (slide 19), Tasmania (slide 20), South Australia (SA, slide 21), and Queensland (QLD, slide 22).

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