Current disease trends and public health reports
The Public Health Unit regularly monitors trends in acute respiratory and gastrointestinal infections among the residents living in the South Eastern Sydney Local Health District. Specifically, the respiratory infections of COVID-19, influenza and respiratory syncytial virus (RSV) along with the gastrointestinal infection of norovirus. Below summarises the latest data on these infections.
Monthly Acute Respiratory Infections report - key messages for local services
Month ending 30 November 2025
Laboratory surveillance report for Norovirus
Further information on these, other conditions, and research the Public Health Unit conducts on can be found by clicking the links below.
Notifiable diseases data for NSW and by Local Health District are available here.
In this section we post recent and annual surveillance reports for respiratory viral activity and impact in South Eastern Sydney Local Health District.
Monthly Acute Respiratory Infections Report
Month ending 30 November 2025
Key Messages for local services
- COVID-19 transmission and impact are stable at low levels. The average positivity rate of PCR tests was stable at 2% in November. The impact on aged-care facilities and hospitals is low.
- Influenza notifications have increased this month, while mean positivity has remained stable at 4%. The impact on aged-care facilities is low, however impact on hospitals remains moderate.
- Respiratory syncytial virus (RSV) average test positivity was 2% in November. The number ED presentations declined and there were no RSV outbreaks in aged care facilities.
To access the full report, please visit the SESLHD Public Health Unit SharePoint. Access to the full report is exclusive to SESLHD staff.
Annual Acute Respiratory Infection / Influenza Report
Sexually Transmissible Infections in South Eastern Sydney
This report, generated every six months, documents the historical trend and the demographic characteristics of sexually transmissible infections in residents within the South Eastern Sydney Local Health District, focusing on chlamydia, gonorrhoea , syphilis and mpox.
An interactive version of the report will be available on Power BI to relevant SESLHD staff. This is the static PDF version.
View current report: 2025 Mid_Year Report
Key points of report: Compared to the first half of 2024 , notifications of chlamydia decreased from 3427 to 2869 (-16%) , for infectious syphilis from 276 to 215 in 2024 (-22%) and for gonorrhoea from 2241 i to 2208 (-10%). There were 11 cases of mpox notified in SESLHD residents in the first half 2025 compared to 13 in the first half of 2024..
This monthly report provides the trend (i.e. epidemic curve) since 2015 of cases of norovirus detected in sentinel public and private pathology laboratories serving the NSW population.
This report, published during the summer months, monitors trends in laboratory confirmed arbovirus cases reported in residents of South Eastern Sydney Local Health District and in mosquito surveillance around the eastern tidal portion of the Georges River. It provides a summary of the main arboviral infections of concern in South Eastern Sydney (Barmah Forest virus and Ross River virus) with a breakdown of locally acquired cases to provide information on the geographic distribution of the viruses. The report also includes information on mosquito surveillance in Matraville.
View current report: November 2025
Key points of report:
- No cases of Ross River virus infection or Barmah Forest virus infection in SESLHD residents were reported in November 2025
- Five cases of dengue virus infection and one case of Zika virus infection in SESLHD residents were reported in November 2025. All were acquired overseas
- Local mosquito trapping will start in December 2025
Childhood Immunisation Coverage Report
This report, published quarterly, provides an overview of the latest childhood immunisation coverage data for children living within the boundaries of South Eastern Sydney Local Health District (SESLHD), based on immunisation encounters for children reported by providers to the Australian Immunisation Register (formerly the Australian Childhood Immunisation Register).
View current report: Third quarter, 2025
Key points of report:
As at 30 September 2025:
- 92.2% of SESLHD children were considered fully vaccinated at 12 months
- 89.2% of SESLHD children were considered fully vaccinated at 2 years
- 92.9% of SESLHD children were considered fully vaccinated at 5 years
Aboriginal Childhood Immunisation Coverage Report
This report, published annually, provides an overview of the latest childhood immunisation coverage data for Aboriginal children living within the boundaries of South Eastern Sydney Local Health District (SESLHD), based on immunisation encounters for Aboriginal children reported by providers to the Australian Immunisation Register (formerly the Australian Childhood Immunisation Register).
View current report: Annual Report for 2024
Key points of report:
Amongst Aboriginal children in SESLHD in 2024, vaccination coverage:
- Decreased to 88.5% fully vaccinated at 12 months
- Decreased to 91.3% fully vaccinated at 2 years
- Decreased to 93.6% fully vaccinated at 5 years
School Immunisation Program Coverage Report
This report, published yearly, provides an overview of the latest school immunisation coverage for students attending school-based vaccination programs within the boundaries of SESLHD, based on immunisation encounters for students reported by school immunisation nurses.
View current report: 2025
Key points of report:
In 2025:
- 73.1% of female year 7 students received HPV vaccine.
- 72.5% of male year 7 students received HPV vaccine.
- 72.2% of year 7 students received the dTpa vaccine.
- 77.2% of year 10 students received the meningococcal ACWY vaccine.
Catch-up vaccination will be offered to students in these groups who missed out on vaccination in 2025 during clinics in 2026.
Public Health Unit Research Report, 2023 (April 2024)
Public Health Unit Research Report, 2021-2022 (November 2022)
Public Health Unit Research Report, 2020-2021 (November 2021)
Public Health Unit Research Report, 2019-2020 (October 2020)
Public Health Unit Research Report, 2018-2019 (August 2019)