Syndromic surveillance summary: 24 July 2025 week 29
Updated 21 August 2025
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Reporting week 29: 13 July to 20 July 2025
During week 29 there were decreases across all ‘impact of heat’ indicators, in line with cooler temperatures. Insect bite indicators also decreased.
Remote health advice syndromic surveillance system
During week 29 NHS 111-triaged calls for ‘diarrhoea’ increased in the adult age groups. Triaged calls and online assessments for ‘heat exposure or sunburn’ decreased, in line with cooler temperatures.
Access the remote health advice syndromic surveillance bulletins
GP in-hours syndromic surveillance system
During week 29 the GP in-hours consultation rates for ‘heat or sunstroke’ and insect bites decreased after the peak of the previous week.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 29 GP out-of-hours daily contacts for heat or sunstroke decreased, which was in line with the cooler temperatures across England. Fever and insect bites also decreased and are below seasonally expected levels.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department syndromic surveillance system
During week 29 emergency department (ED) attendances for ‘heat or sunstroke’ decreased. Attendances for gastroenteritis increased but remain below seasonally expected levels.
Access the emergency department syndromic surveillance bulletins
Ambulance syndromic surveillance system
During week 29 daily ambulance dispatch calls for impact of heat decreased, in line with cooler temperatures.