Reported invasive group a streptococcal disease surveillance for Australia (AUS) — — latest record 2026-11-06
As of 31 October 2026, Australia has reported 1,483 Invasive group A streptococcal disease cases in 2026, compiled from figures published by Australia NNDSS Fortnightly Report and 2 other reporting authorities. The full year 2025 closed at 1,777 cases.
Of the 6 countries reporting invasive group a streptococcal disease to ENCLAI in 2026, Australia accounts for 18.1% of reported cases and ranks 2 by case count.
ENCLAI has logged 203 surveillance records for invasive group a streptococcal disease in Australia in 2026, with the most detailed reporting in Sep 2026 (42 records). 16 of those arrived in the last 30 days; the case counts run to 2026-10-31. 3 distinct surveillance sources reported this pair in 2026.
Reporting authorities for these counts: Australia NNDSS Fortnightly Report — State/Territory Level · Australia NNDSS Fortnightly Report (Australian CDC) · Australia NNDSS data visualisation tool — monthly notifications, national and state
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| Year | Reported cases | Share of worldwide reports |
|---|---|---|
| 2023 | not reported | — |
| 2024 | not reported | — |
| 2025 | 1,777 | 52.6% |
| 2026 (year to date) | 1,483 | 18.1% |
Reporting bounds and case definitions vary; historical baselines are a separate comparison measure. Worldwide share compares this country's reported figure with the sum of all countries reporting invasive group a streptococcal disease to ENCLAI for that year. "Incomplete year" means our sources cover less than ten months of that year, so no full-year figure is shown; "outbreak total to date" is a running total since an outbreak began, not a count for one year.
| Month | Records | Reporting sources |
|---|---|---|
| Jan 2026 | 17 | 1 |
| Feb 2026 | 16 | 1 |
| Mar 2026 | 22 | 1 |
| Apr 2026 | 8 | 2 |
| May 2026 | 18 | 2 |
| Jun 2026 | 21 | 1 |
| Jul 2026 | 18 | 2 |
| Aug 2026 | 25 | 2 |
| Sep 2026 | 42 | 2 |
| Nov 2026 | 16 | 1 |
A record is one dated surveillance publication or one row of an official table; a month with many records is a month with detailed reporting, not necessarily more cases. 16 records were logged in the last 30 days.
Areas within Australia with the most invasive group a streptococcal disease records this year:
| Area | Records |
|---|---|
| New South Wales | 21 |
| Northern Territory | 21 |
| Queensland | 21 |
| Victoria | 21 |
| Western Australia | 21 |
| Country | 2026 cases | Trend |
|---|---|---|
| Poland | 5,747 | |
| United States | 337 | |
| New Zealand | 309 | ▲ Rising · 2025 |
| Finland | 302 | ▲ Rising · 2025 |
| United Kingdom | 37 |
| Disease | 2026 cases | Trend |
|---|---|---|
| Seasonal influenza | 269,750 | |
| Respiratory syncytial virus infection | 138,359 | |
| COVID-19 | 86,718 | |
| Chlamydia infection | 81,179 | |
| Gonococcal infection | 38,898 |
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