Latest surveillance report

Summary of epidemiological week 21, ending 27 May 2023

Community transmission of COVID-19 remains at moderate to high level, influenza activity continues to increase rapidly and RSV activity is stable and showing some signs of declining.

COVID-19, influenza and RSV activity in NSW persists at elevated levels however both COVID-19 and RSV have stabilised in recent weeks. Indicators which are not influenced by the amount of testing for COVID-19, including sewage and healthcare worker furloughing, continue to show moderate to high levels of COVID-19 transmission in the community.

A small decline of 6% in COVID-19 notifications occurred in the previous week. Notification rates have remained stable in all age groups except ongoing fluctuations for those aged 90 years and older. Admissions to hospital have remain stable. There were 2,906 people diagnosed with influenza this week, an increase of 36.3% since the previous week with notification rates highest in children and young people aged 3 – 16 years. The rapid increase in influenza notifications is also reflected in an increase in emergency department (ED) presentations and subsequent hospital admissions for influenza-like illness (Figure 2). RSV activity has stabilised in all age groups, including infants and young children. Hospitals are also experiencing a decline in ED presentations and admissions for bronchiolitis (associated with RSV infection) in young children.

Data sources and methods

The data source for this report updates as new information becomes available. Therefore, this report cannot be directly compared to previous versions of the NSW Respiratory Surveillance Report or to previous reporting periods. For additional information on the data sources and methods presented within this report please refer to COVID-19 surveillance report data sources and methodology.

Current as at: Thursday 1 June 2023
Contact page owner: Health Protection NSW