Virus WAtch Week Ending 21 September 2014

Megan Reilly

Virus WAtch Week Ending 21 September 2014

Influenza and Influenza-like Illnesses (ILI)

Summary: Influenza and non-influenza respiratory virus activity continues to decline.

  • Most indicators of influenza activity, including notifications, detections of influenza virus, proportion of positive laboratory tests for influenza, and influenza-associated hospitalisations decreased this week.
  • Influenza A/H1N1, influenza A/H3N2 and influenza B viruses continue to co-circulate.
  • Detections of non-influenza respiratory viruses continued to decline this week.


  • Gastroenteritis presentations to sentinel general practitioners (GPs) remain stable this week. Presentations to sentinel emergency departments (EDs) increased but remain below baseline.

 Varicella and Viral Rashes

  • Shingles and chickenpox presentations to sentinel general practitioners (GPs) increased above baseline levels.
  • Three cases of mumps were reported to the Department of Health this week – follow-up information is pending.
  • No confirmed cases of measles or rubella were reported.


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