| 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 |