Influenza and Influenza-like Illnesses (ILI)
Summary: Influenza activity continued to increase this week, with A/H1N1 virus predominant.
- Indicators of influenza activity, including ILI presentations to sentinel general practitioners (GPs) and emergency departments (EDs), influenza notifications, proportion testing positive and hospitalisations associated with influenza all increased this week.
- The majority of influenza viruses subtyped in recent weeks have been influenza A/H1N1, with a fall in the proportion of A/H3 and influenza B viruses detected, .
- Detections of respiratory syncytial virus increased this week and remain high.
- Gastroenteritis presentations to sentinel GPs and EDs are within expected levels.
Varicella and Viral Rashes
- Shingles presentations to sentinel GPs remain above expected levels; chickenpox presentations remain low.
- Two confirmed cases of measles were notified; one in an unvaccinated hospital contact of an imported case and one in an unvaccinated infant from the Philippines. No confirmed cases of mumps or rubella were reported.
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