Syndromic surveillance summary: 4 July 2026 week 27
Updated 9 July 2026
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Reporting week 27: 29 June to 5 July 2026
During week 27, syndromic indicators for the impact of heat decreased across all syndromic surveillance systems, in line with the lower temperature.
Remote health advice syndromic surveillance system
During week 27, both ‘heat exposure or sunburn’ triaged calls and online assessments decreased and are now below and similar to expected levels respectively. Insect bites also decreased for both calls and online assessments but remain above seasonally expected levels.
Access the remote health advice syndromic surveillance bulletins
GP in-hours syndromic surveillance system
During week 27, GP consultation rates for ‘heat or sunstroke’ decreased after a previous red heat-health alert. Consultation rates for ‘insect bites’ increased and were above seasonally expected levels. Consultation rates for cellulitis continued to increase and were above seasonally expected levels. Increases were mainly in those aged over 65 years.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 27, GP out-of-hours contacts for ‘heat or sunstroke’ decreased, coinciding with lower temperatures. Contacts for insect bites also decreased. Diarrhoea contacts increased in the 15 to 44 and over 65 years age groups. Vomiting contacts in the 45 to 64 years age group were elevated on 5 July.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department syndromic surveillance system
During week 27, ED heat or sunstroke attendances continue to decrease in all age groups and regions coinciding with cooler temperatures.
Access the emergency department syndromic surveillance bulletins
Ambulance syndromic surveillance system
During week 27, emergency ambulance calls for impact of heat decreased coinciding with a decrease in temperature. There were also decreases in calls for difficulty breathing, cardiac or respiratory arrest, unconscious or passing out, collapsed with unknown problem and injuries.