Respiratory Infections

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Respiratory Infections

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HPS National Influenza Report - Week ending 12 April 2015 16 Apr 2015

This report provides an update on influenza and other seasonal respiratory pathogen activity for the week ending 12 April 2015. For this season, we will provide detailed influenza update reports on a monthly basis with bulletin style weekly updates in the weeks in between.

This report contains summary epidemiological information on influenza-like illness (ILI) and acute respiratory illness (ARI) activity, its severity and impact in the community and secondary care settings, and vaccine uptake estimates.

The GP consultation rate for influenza-like illness (ILI) and the threshold for normal seasonal activity have been calculated using a new method this season which the European Centre for Disease Prevention and Control (ECDC) is recommending should be used across the EU. Please refer to the technical document for further information.

Due to the reduced number of working days in week 14, data for this week must be interpreted with caution.

In Scotland, clinical influenza activity decreased. Virological influenza activity suggests that there is evidence of continued community circulation of influenza. Influenza B activity continues to be elevated.

A CMO letter, recommending that antivirals can be used in primary care where clinically appropriate, was issued on the 18th of December 2014 and can be accessed at: http://www.sehd.scot.nhs.uk/cmo/CMO(2014)29.pdf

An updated guidance document has been issued by HPS with recommendations for the antiviral treatment and prophylaxis of influenza for the season 2014-15 (version 2.0 published on 19 February 2015).

Three laboratory confirmed influenza cases with severe infection requiring intensive care management (ICU cases) were reported to HPS within the last week (2 influenza A(H3), 1 influenza B). No new closed setting outbreaks of acute respiratory infection were reported to HPS within the last week.

Over the past four weeks, the levels of non-influenza respiratory pathogens (respiratory syncytial virus (RSV), rhinovirus, coronavirus, adenovirus, Mycoplasma pneumoniae (MPN), and human metapneumovirus (hMPV) reported through sentinel sources were stable and in line with expected seasonal levels. The only exception to this is parainfluenza, levels of which are increased and above expected seasonal levels in week 15.

Over the past four weeks, the levels of respiratory syncytial virus (RSV), rhinovirus, parainfluenza and human metapneumovirus (hMPV) reported through non-sentinel sources (ECOSS), remained stable and within expected levels for this time of the year. The levels of coronavirus, adenovirus and Mycoplasma pneumoniae (MPN) increased and above seasonally expected levels for at least one of these four weeks.

Publisher(s)
  • Health Protection Scotland
Last Updated : 22/08/2016