How Much Is Seasonal Flu
Costing Your Business?
Discover the hidden cost of flu to your business based on official UK government statistics and peer-reviewed research
Flu Hub Calculator
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Your Estimated Annual Cost
£0 Per YearProtect Your Workforce From Flu
Don't let seasonal flu drain your business resources. Our workplace flu vaccination programs can help reduce absenteeism, boost productivity, and protect your bottom line.
Submit an EnquiryKey Insights for Your Business
- 7 employees are likely to contract flu this year
- Employees working while sick lose approximately 40% productivity
- Presenteeism typically costs more than absenteeism in total impact
- Flu vaccination programs can significantly reduce absenteeism and productivity losses
- Prevention is significantly more cost-effective than managing sick leave
Calculation Methodology
Data Sources
All calculations are based on official UK government statistics from the Office for National Statistics (ONS) and peer-reviewed research published in medical journals.
Sources: ONS Labour Market Statistics (2024), BMC Public Health research on influenza economic burdenFlu Incidence Rate
We use a 7% annual incidence rate, meaning approximately 7 out of every 100 employees will contract flu each year. This is based on research showing 4.8 million working days lost to flu annually across the UK's 33 million workforce.
Absenteeism Calculation
When employees contract flu, they are typically absent for 2.5 days on average. The cost is calculated by multiplying expected flu cases × average absence days × daily salary (annual salary ÷ 260 working days).
Presenteeism Impact
Research shows 60–80% of people continue working while sick with flu. We use 70% as a conservative estimate. These employees work at approximately 40% reduced productivity for an average of 3 days, resulting in significant hidden costs.
Note: Presenteeism often exceeds absenteeism costs and puts co-workers at risk of infectionSalary Data
Industry-specific salary data is sourced from ONS Annual Survey of Hours and Earnings (ASHE) 2024 and represents median full-time gross annual salaries for each sector.
Limitations
This calculator provides estimates for planning purposes. Actual costs will vary based on your specific circumstances, regional variations, company size, and annual flu severity. The calculator does not include additional costs such as temporary cover, overtime, or the ripple effect of contagion in the workplace.