Syndromic surveillance summary: 22 May 2025 week 20
Updated 22 May 2025
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Reporting week 20: 12 May to 18 May 2025
During week 20 increases were observed across syndromic indicators for ‘impact of heat’ and insect bites in line with recent warm weather. Syndromic indicators for respiratory infections generally remained stable and at or below seasonally expected levels.
Remote health advice syndromic surveillance system
During week 20, NHS 111 triaged calls and online assessments for ‘heat exposure or sunburn’ and insect bites continued to increase at seasonally expected levels in line with the current period of warm weather.
Access the remote health advice syndromic surveillance bulletins
GP in-hours syndromic surveillance system
During week 20, the GP in-hours consultation rate for allergic rhinitis was stable but remained above baseline levels. Rates for ‘heat or sunstroke’ and insect bites increased and remained above levels expected for the time of year in line with the recent spell of warm weather. Respiratory indicators in general remained stable and at or below seasonally expected levels.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 20, GP out-of-hours contacts for insect bites continued to increase but remain below seasonally expected levels. Contacts for diarrhoea decreased but remain above seasonally expected levels.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department (ED) syndromic surveillance system
During week 20, emergency department (ED) attendances for ‘heat or sunstroke’ decreased but remained just above baseline levels in line with the recent warm weather. There was an increase in gastroenteritis attendances, particularly in children aged 1 to 4 and 5 to 14 years, however overall attendances remained at levels expected for the time of year. All respiratory indicators were stable during week 20, and at or below seasonally expected levels.
Access the emergency department syndromic surveillance bulletins
Ambulance syndromic surveillance system
During week 20, most indicators remain in line with seasonally expected levels. Calls for allergic reactions increased during the past week.