Influenza activity is increasing and there is evidence of circulation of influenza within the community and closed settings. A Scottish addendum to the Public Health England guidance on use of antiviral agents for the treatment and prophylaxis of seasonal influenza has been published on the HPS website.
In week 48:
The rate of influenza-like illness (ILI) was at Baseline activity level (12.2 per 100,000).
The proportion of NHS24 respiratory calls was at Moderate activity level (22.3%).
The swab positivity of influenza in primary care was at Moderate activity level (56.5%, 13/23).
The swab positivity of influenza in secondary care was at Moderate activity level (20.6%, 109/529).
The incidence rate of influenza in secondary care was at Baseline activity level (2.1 per 100,000 population).
Respiratory syncytial virus (RSV) was at Low activity level. This was lower than the activity level retrospectively assigned to week 47 (Extraordinary).
Human Metapneumovirus (HPMV) and Rhinovirus were at Low activity level. The rest of the non-flu respiratory pathogens were at Baseline activity levels.
There were 2 new acute respiratory illness outbreaks reported (Baseline activity level).
There were 3 new cases reported of laboratory confirmed influenza with severe acute respiratory infection (SARI) requiring intensive care management (Baseline activity level).
There were no SARI deaths reported.
The all-cause mortality excess was at Low activity level in week 46.