Syndromic surveillance summary: 11 July 2026 week 28
Updated 16 July 2026
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Reporting week 28: 6 to 12 July 2026
During week 28, syndromic indicators for the impact of heat increased across all syndromic surveillance systems, consistent with the amber heat-health alert in place across parts of England.
Remote health advice syndromic surveillance system
During week 28, daily NHS 111 triaged calls and online assessments for ‘heat exposure or sunburn’ increased, in line with the amber heat health alert in place across parts of England. There was an increase in triaged calls and online assessments for ‘insect bites’. NHS 111 triaged calls for vomiting also increased.
Access the remote health advice syndromic surveillance bulletins
GP in-hours syndromic surveillance system
During week 28, GP consultation rates for ‘heat or sunstroke’ increased in line with the amber heat-health alert in place across parts of England. Consultation rates for ‘insect bites’ also increased slightly and were above seasonally expected levels.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 28, GP out-of-hours contacts for heat or sunstroke increased, consistent with the amber heat-health alert that was in effect across parts of England. Contacts for insect bites also increased.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department syndromic surveillance system
During week 28, ED attendances for heat or sunstroke increased in all age groups and regions coinciding with the amber heat-health alert in place across parts of England
Access the emergency department syndromic surveillance bulletins
Ambulance syndromic surveillance system
During week 28, emergency ambulance calls for impact of heat increased in line with the amber heat-health alert. There were also increases in calls for ‘difficulty breathing’, ‘cardiac or respiratory arrest’, ‘unconscious or passing out’, ‘collapsed with unknown problem’ and injuries.