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2002 NOV 20 - (NewsRx.com & NewsRx.net) -- by Maria G. Essig, MS, ELS, senior medical writer - The 1996-1997 influenza vaccine (A/Wuhan/359/95 strain) was ineffective at protecting workers in France, according to a report in Occupational Medicine - London.
Jean-Louis Millot and colleagues at EDF GDF Services Annecy Leman in France evaluated the efficacy of the influenza vaccine in the 1996-1997 season among a group of 5785 randomly chosen workers (out of 18,249) at the firm of Electricite de France and Gaz de France. Information was collected on immunization status, illness expenses, and number of workdays missed.
Influenza vaccinations were obtained by 474 (8.2%) of the workers; more men than women were vaccinated. The investigators found an effectiveness rate of only 27% among the 775 workers who were diagnosed with influenza (Reduced efficiency of influenza vaccine in prevention of influenza-like illness in working adults: a 7-month prospective survey in EDF Gaz de France employees, in Rhone-Alpes, 1996-1997. Occup Med (Lond), 2002;52(5):281-292).
Sick days were taken by 9.6% of the vaccinated workers compared with 7.0% of the nonvaccinated workers. A comparison of the two groups showed they had similar influenza-like illness symptoms, smoking rates, respiratory risk factors, and chronic diseases. No significant ...
Source: HighBeam Research, Vaccination fails to protect French workers from the flu.