Syndromic surveillance summary: 25 July 2026 week 30
Updated 6 August 2026
© Crown copyright 2026
This publication is licensed under the terms of the Open Government Licence v3.0 except where otherwise stated. To view this licence, visit nationalarchives.gov.uk/doc/open-government-licence/version/3 or write to the Information Policy Team, The National Archives, Kew, London TW9 4DU, or email: psi@nationalarchives.gov.uk.
Where we have identified any third party copyright information you will need to obtain permission from the copyright holders concerned.
This publication is available at https://www.gov.uk/government/publications/syndromic-surveillance-weekly-summaries-for-2026/syndromic-surveillance-summary-25-july-2026-week-30
Reporting week 30: 20 to 27 July 2026
During week 30, syndromic indicators for the impact of heat and ‘insect bites’ decreased across all syndromic surveillance systems.
Remote health advice syndromic surveillance system
During week 30, NHS 111 triaged calls and online assessments for ‘heat exposure and sunburn’ decreased. NHS 111 triaged calls for insect bites also decreased, with activity now similar to seasonally expected levels.
Access the remote health advice syndromic surveillance bulletins
GP in-hours syndromic surveillance system
During week 30, the GP in-hours consultation rate for ‘heat or sunstroke’ continued to decrease and was at seasonally expected levels. Insect bites consultations decreased but were above seasonally expected levels. Consultations for diarrhoea increased slightly and remained above expected levels.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 30, ‘Heat or sunstroke’ and ‘insect bites’ indicators continued to decrease with activity below seasonally expected levels.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department syndromic surveillance system
During week 30, ED attendances for ‘heat or sunstroke’ were stable coinciding with a reduction in the heat-health alert level in place across England.
Access the emergency department syndromic surveillance bulletins
Ambulance syndromic surveillance system
During week 30, daily ambulance calls for ‘impact of heat’ were stable and remain at expected levels. There were slight increases observed in calls for ‘cardiac or respiratory arrest’ and ‘unconscious or passing out’.