UK Flu Statistics | Workplace Absence Data & Trends | Kays Medical | Kays Medical

UK Workplace Flu Statistics Dashboard

Interactive visualisations of official ONS data on workplace absence, flu impact and economic costs.

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148.9M Total working days lost to illness (UK, 2024)

Source: ONS Labour Market Statistics 2024

44.7M Days lost to minor illnesses including flu

Source: ONS Labour Market Statistics 2024, 30% of total absence

4.8M Working days lost specifically to flu annually

Source: RAND, Peer-reviewed research

£644M Annual economic impact of flu in UK

Source: BMC Public Health

UK Sickness Absence Trends (2018-2024)

Average days lost per worker has been rising, with 2024 showing the highest rates in years

Absence by Cause (2024)

Breakdown of workplace absence reasons in the UK

Absence Rates by Industry

Average sick days per employee across different sectors

Seasonal Flu Impact Throughout the Year

Monthly distribution of flu cases and workplace absence

Economic Cost Breakdown

How flu-related costs impact UK businesses

Vaccination Impact on Absenteeism

Comparison of sick days: vaccinated vs non-vaccinated employees

Flu Hospital Admissions: "Super Flu" Season Comparison (2022-2025)

Peak hospital admission rates per 100,000 population - 2024/25 saw approximately double the admissions of previous years

Data Sources & Methodology

  • Office for National Statistics (ONS) - Labour Market Statistics 2024
  • ONS Annual Survey of Hours and Earnings (ASHE) 2024
  • BMC Public Health - Economic burden of seasonal influenza in the UK
  • UK Health Security Agency (UKHSA) - National Flu and COVID-19 Surveillance Reports 2024/25 & 2025/26
  • CIPD Health and Wellbeing at Work Survey 2024
  • RAND Europe - Flu impact on UK workforce productivity

All statistics are based on official UK government data and peer-reviewed research. Charts represent trends and averages across the UK workforce. Hospital admission data from UKHSA weekly surveillance reports. The 2024/25 season (dubbed "super flu") saw approximately double the peak hospital admissions compared to previous years, driven by influenza A H3N2 subclade K.