HPS Weekly National Seasonal Respiratory Report - week ending 26 January 2020

Publication Date: 30 January 2020

Overall assessment:

  • 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 HPS website.

​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.​​

Resource information

Publisher:
Health Protection Scotland
Publication type:
Surveillance Report