Weekly national seasonal respiratory report
An Official Statistics publication for Scotland
Week ending 3 July 2022 - week 26
- 07 July 2022
- Statistical report
- Public Health Scotland
- Health protection
About this release
This release is a weekly report on epidemiological information on seasonal respiratory infection activity in Scotland. Due to the COVID-19 pandemic, health care services are functioning differently now compared to previous flu seasons so the consultation rates are not directly comparable to historical data.
- The proportion of NHS24 calls for respiratory symptoms in week 26 was at Baseline activity level The 5-14, 15-44, 45-64, 65-74 and over 75 age groups remained at Baseline activity level. The 1-4 age group remained at Low activity level. The under 1 age group remained at Moderate activity level.
- In week 26, there were 20 influenza cases: 16 type A (subtype unknown) and four type A(H3).
In week 26, coronavirus (non-SARS-CoV-2), HMPV, parainfluenza, rhinovirus and Mycoplasma pneumoniae were at Baseline activity level. RSV increased from Baseline to Low activity level and adenovirus remained at Low activity level.
- RSV increased from Baseline to Low activity level for the first time since week 45 2021. The number of laboratory-confirmed RSV cases for week 26 is greater than what would be expected at this time of the year. The 1-4 age group remained at Low activity level and all other age groups were at Baseline activity level. The majority (89%) of RSV detections in week 26 were in those aged under 5 years and the majority (88%) of diagnoses across all age groups occurred in the hospital setting.
- Adenovirus was at Low activity level, with 42 laboratory-confirmed cases in Scotland during week 26 (0.8 cases per 100,000 population). This compares with 48 laboratory-confirmed cases (0.9 cases per 100,000 population) in week 25.
- The hospitalisation rate for influenza was 0.2 per 100,000 in week 26, with the highest hospital admission rate for confirmed influenza noted in patients aged 65-74 years (0.5 per 100,000). The highest hospitalisation rate for influenza this season was reported in week 11 (1.3 per 100,000).
Surveillance of respiratory infection is a key public health activity as it is associated with significant morbidity and mortality during the winter months, particularly in those at risk of complications of flu e.g. the elderly, those with chronic health problems and pregnant women.
The spectrum of respiratory illnesses vary from asymptomatic illness to mild/moderate symptoms to severe complications including death.
There is no single respiratory surveillance component that can describe the onset, severity and impact of influenza or the success of its control measures each season across a community.
This requires a number of complementary surveillance components which are either specific to respiratory infections or their control, or which are derived from data streams providing information of utility for other PHS specialities (corporate surveillance data). Together, the respiratory surveillance components provide a comprehensive and coherent picture on a timely basis throughout the flu season. Please see the influenza page on the HPS website (external website) for more details.
The next release of this publication will be 14 July 2022.
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Older versions of this publication
Versions of this publication released before 16 March 2020 may be found on the Data and Intelligence, Health Protection Scotland or Improving Health websites.