Influenza Activity Surveillance 2019
This report provides a summary of surveillance data collected from around Australia and New Zealand. Regional reporting in some areas ceases when flu activity is low (out of season). Please note that many people do not get tested for influenza and that there may also be some delays in reporting confirmed influenza cases.
Therefore data presented here may be underestimating influenza activity.
Click above for an up to date PDF of Australian Influenza Statistics.
Commonwealth Department of Health & Ageing
There have been a total of 9,518 laboratory confirmed notifications of Influenza in Australia for 2019, at the start of 18 February.
- ACT: 71
- NSW: 2,973
- NT: 152
- QLD: 3,087
- SA: 809
- TAS: 75
- VIC: 1,640
- WA: 774
For more national data:
Influenza activity in January was above the usual inter-seasonal levels overall and was higher than the previous month.
Influenza A strains remain predominant over influenza B strains.
There is no evidence of new influenza strains emerging to explain current influenza activity.
In the past few years NSW has had increasing influenza notifications in January and February thought to be from northern hemisphere travellers returning with influenza.
Influenza activity was highest in the Northern Sydney LHD with Northern NSW showing signs
of declining activity, following high activity from November to mid-January.
Presentations to emergency departments for respiratory illnesses and influenza-like illness remained higher than usual for this time of year.
Six influenza outbreaks were reported from residential aged care facilities, all were caused by influenza A.
For more information: NSW Health – Infectious Diseases Alert
3 – 9 February 2019
One hundred and seventy-six cases of influenza were reported this week with 156 cases being characterised as influenza A and 20 as influenza B. Cases comprised of 80 males and 96 females, with a median age of 34 years. There have been 685 cases of influenza notified year-to-date, compared with 482 cases reported for the same period last year.
For more information: Communicable Diseases Control Branch
Week ending 10 February 2019
INFLUENZA AND INFLUENZA-LIKE ILLNESSES (ILI)
Influenza activity increased slightly this week.
Influenza notifications increased this week and remain above inter-seasonal levels.
ILI activity at sentinel GPs and EDs remained stable this week.
PathWest influenza detections and percent positivity increased this week.
Influenza A/H3N2 comprised the largest proportion (64%) of influenza detections at PathWest this week, followed by A/H1N1 (36%). There were no influenza B detections this week.
For more information: WA Virus WAtch
ASPREN is a national syndromic surveillance program co-ordinated by the Discipline of General Practice at the University of Adelaide and The Royal Australian College of General Practitioners. One of the conditions under surveillance is influenza like illness (ILI). General practitioners participating in the ASPREN program contribute data on the proportion of consultations which are ILI related.
1 – 13 January 2019
Influenza-like-illness levels remain steady at baseline levels.
5 cases of influenza have been detected in this reporting period: 5 x Influenza A.
26% Influenza positivity during the reporting period.
Reports were received from 233 reporters from 8 states and territories during the reporting period. During weeks 1 and 2 reporters saw a total of 20,093 patients.
Nationally, ILI notifications increased during the period with 51 notifications being reported in weeks 1—2. ILI rates reported in this period remained steady at 3 and 5 cases per 1000 consultations (weighted) in weeks 1 and 2 respectively. This was similar to the previous fortnight where rates were 2 and 4 cases per 1000 consultations. For the same reporting period in 2018, ILI rates were lower at 2 and 3 cases per 1000 consultations for weeks 1 and 2.
(Baseline ILL < 3 & 4 in 1000 consultations, Normal 4< ILL rate <24).
For more information: ASPREN
FluTracking is a pilot online health surveillance system which aims to detect epidemics of influenza. It is a joint initiative of The University of Newcastle, Hunter New England Area Health Service (NSW Health) and Hunter Medical Research Institute. Participation is voluntary and involves the completion of a weekly online survey during the influenza season. Data are collected on basic demographics, symptoms of ILI and absenteeism.
Flu tracking has not yet commenced
For more information, or to enrol: Flu Tracking
Reporting has not yet commenced
For more information: NZ Flu Surveillance