Syndromic surveillance summary: 3 July 2025 week 26
Updated 10 July 2025
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Reporting week 26: 23 to 29 June 2025
During week 26, there were increases in ‘impact of heat’ indicators during the weekend of Saturday 28 and 29 June, in line with an amber heat health alert in place over England.
Remote health advice syndromic surveillance system
During week 26, NHS 111 triaged calls and online assessments for ‘heat exposure or sunburn’ decreased before increasing during the weekend 28 and 29 June, in line with an amber heat health alert in place across England. NHS 111 triaged calls and online assessments for insect bites remained elevated, across all regions and age groups.
Access the remote health advice syndromic surveillance bulletins
GP in-hours syndromic surveillance system
During week 26, GP consultation rates for allergic rhinitis decreased in line with seasonally expected levels. The consultation rates for ‘heat or sunstroke’ remained elevated, but decreased during the week to Friday 27 June. Consultation rates for insect bites continued to increase and were slightly above expected levels.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 26, GP out-of-hours daily contacts for ‘heat or sunstroke’ decreased throughout the week, before increasing slightly during the weekend (28 and 29 June), when there was an amber heat health alert in place across England.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department (ED) syndromic surveillance system
During week 26, ED attendances for ‘heat or sunstroke’ decreased from Monday to Friday, before increasing during the weekend (28 and 29 June), in line with an amber heat health alert in place across England. ED attendances for asthma decreased nationally, across all age groups during week 26.
Access the emergency department syndromic surveillance bulletins
Ambulance syndromic surveillance system
During week 26, daily ambulance dispatch calls for ‘impact of heat or cold’ decreased during the week. However, there was an increase in calls over the weekend of 28 and 29 June, in line with an amber heat health alert in place for England.