HPS Weekly National Seasonal Respiratory Report - week ending 17 May 2020

Publication Date: 21 May 2020

Overall assessment:

  • This is the last report of the season and from week 21 reports will be published on a 4-weekly basis. Respiratory surveillance systems will continue to be monitored weekly and any exceptions will be reported.
  • Influenza activity appears to be at low levels with almost all indicators suggesting falling activity. 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.
  • Please note COVID-19 cases are being separately reported on the Scottish Government website.
In week 20:
  • The rate of influenza-like illness (ILI) was at Baseline activity level (0.4 per 100,000).
  • The proportion of NHS24 respiratory calls was at Moderate activity level (23.7%).
  • The swab positivity of influenza in primary care was at Baseline activity level (0.0%, 0/1).
  • The swab positivity of influenza in secondary care was at Baseline activity level (0.0%, 0/632).
  • The incidence rate of influenza in secondary care was at Baseline activity level (0.0 per 100,000 population).
  • The number of new acute respiratory illness outbreaks with onset in week 20 was at Baseline activity level (n=0).
  • The number of new SARI cases admitted to ICU during week 20 was at Baseline activity level (n=0). Please note COVID-19 cases are being separately reported on the Scottish Government website.
  • There was no new SARI death reported. The SARI case-fatality rate (CFR) reported since week 40 2019 was 18.4% (14/76) and remains below expected seasonal levels (range 22.9% - 35.6%).
  • The all-cause mortality excess for "all ages" was at Extraordinary activity level in week 18.

Resource information

Publisher:
Health Protection Scotland
Publication type:
Surveillance Report