| influenza. | in australia in april this year, there were 25 cases of influenza a and 8 cases of influenza b reported. most of these, 11 of type a and all 8 type b occurred in western australia. in may, 33 type a and two type b were reported. of these, 25 type a were in south australia and the two type b were in victoria. in addition, two type h3n2, an epidemic strain, were reported in victoria. most recently, in june 1999 36 type a (14 in victoria and 12 in western australia) plus one case of h1n1 9 (also an ... | 1999 | 10846998 |
| the influenza surveillance program in western australia, 2003. | in the winter of 2003 western australia experienced its largest epidemic of influenza for at least five years, with activity peaking in august and september. the season was short resulting in very high numbers of cases during the peak weeks. activity in country areas followed the peak of metropolitan activity. influenza a virus was detected in 28.3 per cent of the sentinel samples, and influenza b in less than one per cent. both routine and sentinel detections and the overall estimates of influe ... | 2004 | 15460952 |
| annual report of the national influenza surveillance scheme, 2006. | influenza surveillance in australia is based on laboratory isolation of influenza viruses, sentinel general practitioner reports of influenza-like illness, and absenteeism data from a major national employer. in 2006, 3,130 cases of laboratory-confirmed influenza were reported to the national notifiable diseases surveillance system, which was one-third lower than in 2005. the influenza season started in mid-june, with peak activity in late august. influenza a was the predominant type notified (7 ... | 2007 | 17724991 |
| lessons from the first year of the waive study investigating the protective effect of influenza vaccine against laboratory-confirmed influenza in hospitalised children aged 6-59 months. | influenza is major cause of paediatric hospitalisation. influenza vaccine was offered to all children aged 6-59 months resident in western australia in 2008, and we wished to evaluate the effectiveness of this immunisation programme. | 2010 | 20629773 |
| the effectiveness of influenza vaccination in preventing hospitalisation in children in western australia. | there is increasing evidence demonstrating influenza vaccine effectiveness (ve) in the prevention of influenza in children, including the very young. data demonstrating the effectiveness against severe disease, including hospitalisation, are limited. we aimed to determine the ve of the southern hemisphere trivalent inactivated influenza vaccine (tiv) in preventing laboratory-confirmed influenza-associated hospitalisation in children. | 2015 | 26549359 |
| influenza vaccine effectiveness estimates for western australia during a period of vaccine and virus strain stability, 2010 to 2012. | during 2010-2012 the strain composition of the influenza vaccine in the southern hemisphere did not change, but the circulating virus type/subtype did. we pooled data for these years from the western australian sentinel medical practice surveillance system for influenza to estimate vaccine effectiveness (ve) by influenza virus type and subtype. a case test-negative design was used with ve estimated as (1-odds ratio)×100%. there were 2182 patients included in the analysis across the 3 years studi ... | 2014 | 25223268 |