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Title: Influenza epidemiology in patients admitted to sentinel Australian hospitals in 2015: the Influenza Complications Alert Network.
Authors: Cheng, Allen C
Holmes, Mark
Dwyer, Dominic E
Irving, Louis B
Korman, Tony M
Senenayake, Sanjaya
Macartney, Kristine K
Blyth, Christopher C
Brown, Simon
Waterer, Grant
Hewer, Robert
Friedman, N Deborah
Wark, Peter A
Simpson, Graham
Upham, John
Bowler, Simon D
Lessing, Albert
Kotsimbos, Tom
Kelly, Paul M
Affiliation: Alfred Health, Monash University, Melbourne, Victoria..
University of Adelaide, Royal Adelaide Hospital, Adelaide, South Australia..
University of Sydney, Westmead Hospital, Westmead, New South Wales..
Royal Melbourne Hospital, University of Melbourne, Melbourne, Victoria..
Monash Infectious Diseases, Monash Medical Centre; Monash University, Clayton, Victoria..
Australian National University, The Canberra Hospital, Garran, Australian Capital Territory..
Children's Hospital at Westmead, Westmead, New South Wales..
Princess Margaret Hospital, University of Western Australia, Telethon Kids Institute, West Perth, Western Australia..
University of Western Australia, Royal Perth Hospital, Perth, Western Australia..
University of Western Australia, Royal Perth Hospital, Perth, Western Australia..
University of Tasmania, Hobart, Tasmania..
University Hospital Geelong, Victoria..
University of Newcastle, John Hunter Hospital, New Lambton, New South Wales..
Cairns Base Hospital, Queensland..
Princess Alexandra Hospital, University of Queensland, Woolloongabba, Queensland..
Mater Hospitals, Brisbane, Queensland..
Alice Springs Hospital, Alice Springs, Northern Territory..
Alfred Health, Monash University, Melbourne, Victoria..
ACT Government Health Directorate; Australian National University Medical School, Canberra, Australian Capital Territory..
Issue Date: 24-Dec-2016
Citation: Communicable diseases intelligence quarterly report 2016-12-24; 40(4): E521-E526
Abstract: The Influenza Complications Alert Network (FluCAN) is a sentinel hospital-based surveillance program that operates at sites in all states and territories in Australia. This report summarises the epidemiology of hospitalisations with laboratory-confirmed influenza during the 2015 influenza season. In this observational study, cases were defined as patients admitted to one of the sentinel hospitals with an acute respiratory illness with influenza confirmed by nucleic acid detection. During the period 1 April to 30 October 2015 (the 2015 influenza season), 2,070 patients were admitted with confirmed influenza to one of 17 FluCAN sentinel hospitals. Of these, 46% were elderly (≥ 65 years), 15% were children (< 16 years), 5% were Indigenous Australians, 2.1% were pregnant and 75% had chronic co-morbidities. A high proportion were due to influenza B (51%). There were a large number of hospital admissions detected with confirmed influenza in this national observational surveillance system in 2015 with case numbers similar to that reported in 2014. The national immunisation program is estimated to avert 46% of admissions from confirmed influenza across all at-risk groups, but more complete vaccination coverage in target groups could further reduce influenza admissions by as much as 14%.
ISSN: 1447-4514
Type: Journal Article
Subjects: Adolescent
Aged, 80 and over
Disease Management
Influenza A virus
Influenza Vaccines
Influenza, Human
Influenzavirus B
Middle Aged
Odds Ratio
Outcome Assessment (Health Care)
Risk Factors
Severity of Illness Index
Young Adult
Public Health Surveillance
Sentinel Surveillance
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