Influenza activity is showing signs of decreasing with almost all indicators suggesting falling activity. There remains evidence of circulation of influenza within the community and closed settings. A
CMO letter was issued in week 49 advising that GPs may prescribe antivirals.
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
In week 4:
The rate of influenza-like illness (ILI) was at
Baseline activity level (11.5 per 100,000).
The proportion of NHS24 respiratory calls was at
Baseline activity level (16.6%).
The swab positivity of influenza in primary care was at
Baseline activity level (7.7%, 1/13).
The swab positivity of influenza in secondary care was at
Low activity level (13.1%, 116/888).
The incidence rate of influenza in secondary care was at
Baseline activity level (2.3 per 100,000 population).
The number of new acute respiratory illness outbreaks with onset in week 4 was at
Baseline activity level (n=1).
The number of new SARI cases admitted to ICU during week 4 was at
Baseline activity level (n=0).
There was no new SARI deaths reported. The SARI case-fatality rate (CFR) reported since week 40 2019 was 14.7% (10/68) and remains below expected seasonal levels (range 22.9% - 35.6%).
The all-cause mortality excess was at
Baseline activity level in week 2.
The respiratory syncytial virus (RSV) season started in week 41, peaked in week 48 (Extraordinary activity level) and is currently on a decreasing trend. The large majority of RSV detections thus far have been in those aged under 5 years. The typical RSV season lasts approximately 12 weeks and usually peaks between week 49 and week 52.