Seasonal flu case study
Occupational influenza vaccination programmes are worthwhile in the UK
Case study
A decision tree model was constructed using published sources to consider the economic impact of an occupational influenza vaccination programme in the UK (using Influvac). Costs and benefits for a business employing 1,000 adults earning the national average UK wage were identified from the employer's perspective.
The model assumed that 95 percent of employees would be absent from work after contracting influenza for a mean of five days and that productivity would be reduced by 60 percent for one day by 85 percent of sick employees returning to work.
If the incidence of influenza in the community is 6 percent, the expected probability of an employee being absent from work is reduced from 5.7 percent to 1.8 percent (with 100 percent employee vaccination), with a reduction in absenteeism due to an influenza outbreak of 220 days per 1,000 employees.
The expected return on every £1 invested by an employer would be £1.03, £3.09 and £5.15 (2000 values) with annual incidences of influenza in the community of 2 percent, 6 percent and 10 percent, respectively.
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Source: Das Gupta R, Guest JF. A Model to Estimate the Cost Benefit of an Occupational Vaccination Programme for Influenza with Influvac in the UK. Pharmacoeconomics, 2002: 20(7); 475-84
