Syndromic surveillance summary: 31 July 2025 week 30
Updated 7 August 2025
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Reporting week 30: 21 July to 27 July 2025
During week 30, there were further decreases across all ‘impact of heat’ and insect bite indicators, in line with recent cooler temperatures. GP in-hours consultations for allergic rhinitis also decreased, following expected seasonal trends.
Remote health advice syndromic surveillance system
During week 30, NHS 111-triaged calls for diarrhoea and vomiting decreased, with diarrhoea calls remaining above, and vomiting in line with, expected levels. Triaged calls and online assessments for ‘heat exposure or sunburn’ and insect bites continued to decrease in line with recent cooler temperatures.
Access the remote health advice syndromic surveillance bulletins
GP in-hours syndromic surveillance system
During week 30, GP in-hours consultation rates for ‘heat or sunstroke’ and insect bites continued to decrease in line with the recent cooler temperatures. There were further decreases in consultations for allergic rhinitis, following expected seasonal trends.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 30, GP out-of-hours daily contacts for vomiting and diarrhoea decreased, with decreases in vomiting particularly noted in children aged up to 14 years. Daily contacts for ‘chest pain (including myocardial infarction)’ increased across adult age groups.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department syndromic surveillance system
During week 30, emergency department (ED) attendances for ‘heat or sunstroke’ decreased in line with recent cooler temperatures; activity is now below seasonally expected levels. There was an increase in attendances for ‘acute alcohol intoxication’ during the weekend of 26 to 27 July, with increased attendances noted across adult age groups.
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Ambulance syndromic surveillance system
During week 30, daily ambulance dispatch calls for impact of heat decreased further and were below baseline, in line with cooler temperatures.