Influenza and Influenza-like Illnesses (ILI)
Summary: Influenza activity increased this week, with A/H1N1 virus remaining the predominant subtype.
- Indicators of influenza activity, including ILI presentations to sentinel general practitioners (GPs) and sentinel emergency departments (EDs), proportion of positive laboratory tests for influenza and influenza-associated hospitalisations continued to increase this week.
- Notifications of influenza cases increased by 28% this week.
- The majority of influenza viruses subtyped remains influenza A/H1N1, but A/H3 and influenza B viruses continue to co-circulate.
- Detections of non-influenza respiratory viruses stabilised or decreased this week, with respiratory syncytial virus continuing to be the predominant virus circulating.
- Gastroenteritis presentations to sentinel GPs increased slightly this week, but presentations to sentinel EDs remain within expected levels.
Varicella and Viral Rashes
- Shingles and chickenpox presentations to sentinel GPs and EDs remain just above or near expected levels.
- No confirmed cases of measles, mumps or rubella were reported.
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