The National Institute for Communicable Diseases declared the start of the respiratory syncytial virus (RSV) season in week 7 (week ending 20 February) and the positivity rate has continued to increase through March and April.
Circulation of adenovirus, parainfluenza viruses and human rhino/enterovirus remain high throughout 2022.
Low numbers of influenza A have been detected but circulation remains below the threshold for the start of the annual influenza season.
This report does not include SARS-CoV-2 positivity rates as these statistics are available in other reports.
Respiratory Virus Statistics: Jan – April 2022