Syndromic surveillance summary: 1 March 2026 week 9
Updated 19 March 2026
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Reporting week 9: 23 February to 1 March 2026
During week 9 there were further decreases reported across a range of acute respiratory infection indicators, with activity either at or below seasonally expected levels. Gastroenteritis indicators (including diarrhoea and vomiting) also decreased across most syndromic surveillance systems during the reporting week, particularly in children aged under 5 years.
Remote health advice syndromic surveillance system
During week 9, NHS 111 triaged calls and online assessments for acute respiratory infections continued to decrease, remaining below baseline levels. Triaged calls for diarrhoea remained stable, while there was a decrease in vomiting calls. Online assessments for eye problems increased during week 9, particularly across adult age groups.
Access the remote health advice syndromic surveillance bulletins
GP in hours syndromic surveillance system
During week 9, GP in-hours consultation rates for most respiratory indicators were either decreasing or stable, and at or below expected levels. Pneumonia consultations did however increase during the reporting week, particularly in the 65 years and over age group. Measles consultations increased and were above seasonally expected levels. There was also an increase in chickenpox during week 9, with rates increasing in the 1 to 4 and 5 to 14 years age groups.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 9, GP out-of-hours daily contacts for gastroenteritis, diarrhoea and vomiting continued to decrease, particularly in children aged under 5 years. There were further decreases observed in acute respiratory infection contacts; activity remained below expected levels.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department syndromic surveillance system
During week 9, ED attendances for acute respiratory infections, acute bronchiolitis and influenza-like illness decreased and were below seasonally expected levels. ED attendances for gastroenteritis decreased, particularly in children aged under 1 year. ED asthma attendances also decreased during week 9 and were below expected levels.
Access the emergency department syndromic surveillance bulletins
Ambulance syndromic surveillance system
During week 9, daily ambulance dispatch calls for difficulty breathing remained stable, similar to seasonally expected trends. Daily calls for ‘impact of heat or cold’ decreased, while remaining similar to expected levels for the time of year.