Syndromic surveillance summary: 11 January 2026 week 2
Updated 15 January 2026
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Reporting week 1: 29 December 2025 to 4 January 2026
During week 2, attendances for acute respiratory infections (ARI) continued to decrease across systems. Influenza-like illness indicators also continued to decrease but remained above baseline levels. ‘Impact of cold’ and ‘injury’ indicators rose across systems during the week, but have since decreased, in line with the recent amber level cold health weather alerts in place across England.
Remote health advice syndromic surveillance system
During week 2, NHS 111 triaged calls and online assessments for acute respiratory infections decreased overall and across all age groups.
Access the remote health advice syndromic surveillance bulletins
GP in-hours syndromic surveillance system
During week 2, GP in hours consultations for influenza-like illness (ILI) continued to decrease nationally but remained slightly above seasonally expected levels. There were decreases in consultations for upper and lower respiratory tract infections, and for both indicators there was a decrease in the 65 years and over age group. Though GP in hours consultations for pneumonia were stable overall, they remained elevated in adults aged 45 years and over.
Access the GP in-hours syndromic surveillance bulletins
GP out-of-hours syndromic surveillance system
During week 2, GP out-of-hours daily contacts for acute respiratory infections (ARI) decreased in line with seasonally expected levels. Contacts for influenza-like illness also decreased, though remain above expected levels.
Access the GP out-of-hours syndromic surveillance bulletins
Emergency department syndromic surveillance system
During week 2 ED attendances for acute respiratory infections (ARI) and influenza-like illness (ILI) continued to decrease, particularly in adults aged 15 years and over. Pneumonia attendances also decreased, particularly in the age groups 45 years and over. ‘Acute bronchiolitis or bronchitis’ attendances decreased during week 2. Attendances for ‘impact of cold’ peaked on Wednesday 7 January and have since decreased slightly, in line with the recent amber level cold health weather alerts in place across England.
Access the emergency department syndromic surveillance bulletins
Ambulance syndromic surveillance system
During week 2, daily ambulance dispatch calls for ‘impact of heat or cold’ and ‘injuries’ were elevated, consistent with the amber level cold health alert in place across England.