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J Occup Health year 2006 volume 48 number 1 page 1 - 10
Classification Original
Title Workplace Vaccination against Influenza in Malaysia: Does the Employer Benefit?
Author Abu H. SAMAD1, Mohd H.B.H.J. USUL2, Dalilah ZAKARIA3, Raman ISMAIL4, Anne TASSET-TISSEAU5, Florence BARON-PAPILLON6 and Alain FOLLET7
Organization 1Menara Exxon, 2Petronas, 3Klinic Ranteau, 4Sanofi Pasteur (formerly Aventis Pasteur), Malaysia, 5Sanofi Pasteur (formerly Aventis Pasteur), 6Mapi Values and 7Mapi Values, France
Keywords Influenza, Vaccination, Cost-benefit, Occupational health
Correspondence A. Tasset-Tisseau, Sanofi Pasteur (formerly Aventis Pasteur), 2 Avenue Pont Pasteur, Lyon Cedex 07, F-69367, France (e-mail:
Abstract Workplace Vaccination against Influenza in Malaysia: Does the Employer Benefit?: Anne TASSET-TISSEAU et al. Sanofi Pasteur, France-This study was designed to evaluate the health and economic benefits of a workplace vaccination programme against influenza funded by the employer. Employees of a Malaysian petrochemical plant volunteered to take part in this prospective, non-randomised, non-placebo-controlled study. Demographic and health information, including influenza-like symptoms, sick leave and post-vaccination adverse events were collected via questionnaires. Cost-benefit analyses were performed from the employer's perspective. Results: A total of 1,022 employees took part in the study, with 504 choosing to be vaccinated against influenza, and 518 remaining unvaccinated. The rate of influenza-like illness (ILI) was lower among vaccinated (8.13%) than non-vaccinated subjects (30.31%). Fever and respiratory symptoms were associated with all ILI cases. ILI-related sick leave was taken by 58.54% of vaccinated employees with ILI and 71.34% of non-vaccinated employees with ILI. Vaccination was financially beneficial, with the employer saving up to US$ 53.00 per vaccinated employee when labour costs only were considered. Savings rose to up to US$ 899.70 when the operating income of each employee was also considered. Workplace vaccination of healthy adults against influenza had a clear impact on ILI rates, absenteeism and reduced productivity in this Malaysian company. The health benefits translated into financial benefits for the employer, with cost savings significantly outweighing the costs of the vaccination programme.