摘要:The National Influenza Surveillance Scheme includes data from sentinel general practiceconsultations for influenza-like illness, laboratory reports of influenza and absenteeism rates from a national employer. The 1998 season was dominated by an increase in influenza A in all States and Territories and low influenza B activity. All influenza A isolates were characterised as influenza A(H3N2). Peak activity in 1998 was recorded in July and August. Data are coordinated, analysedand disseminated at a national level and published in Communicable Diseases Intelligence duringthe influenza season