Syndromic surveillance summary: 1 August 2026 week 31
Updated 6 August 2026
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Reporting week 31: 27 July to 2 August 2026
During week 31, syndromic indicators for the impact of heat remained stable across the week as a whole, though mid-week increases (and subsequent decreases) were noted in some systems.
Remote health advice syndromic surveillance system
During week 31, NHS 11 triaged calls and online assessments for ‘heat exposure or sunburn’ remained stable. NHS 111 online assessments for diarrhoea decreased but remained above seasonally expected levels.
Access the remote health advice syndromic surveillance bulletins
GP in-hours syndromic surveillance system
During week 31, the GP in-hours consultation rate for ‘heat or sunstroke’ was stable overall and at baseline levels, although a small spike in activity was noted on Thursday 30 July, which then returned to expected levels. Consultation rates for gastroenteritis and vomiting decreased slightly but remained above expected levels.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 31, daily ‘heat or sunstroke’ contacts were stable, while insect bites contacts continued to decrease.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department syndromic surveillance system
During week 31, ED attendances for ‘heat or sunstroke’ remained stable across the week as a whole.
Access the emergency department syndromic surveillance bulletins
Ambulance syndromic surveillance system
During week 31, daily ambulance calls for ‘impact of heat’ were stable overall, however there was a mid-week spike in call numbers, which decreased at the weekend.