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2002 OCT 9 - (NewsRx.com & NewsRx.net) -- by Maria G. Essig, MS, ELS, senior medical writer - Elderly adults, especially those with a high-risk medical condition, are significantly less likely to require hospitalization or to die if they are vaccinated against influenza/pneumonia.
Eelko Hak, of HealthPartners Research Foundation in the U.S. and the Julius Center for General Practice and Patient Oriented Research in the Netherlands, and colleagues evaluated the impact of influenza vaccination on hospitalization and mortality for 281,428 elderly adults belonging to three U.S. managed care organizations. The investigators examined data from the 1996-1997 (122,974 patients) and 1997-1998 (158,454) flu seasons.
The rate of death or hospitalization related to influenza/pneumonia for subjects who did not receive an influenza vaccination were 8.2 per 1000 healthy or 38.4 per 1000 high-risk individuals for the 1996-1997 season and 8.2 per 1000 healthy or 29.3 per 1000 high-risk individuals in 1997-1998.
Adults who had been vaccinated, however, were 48% less likely to die or be hospitalized in 1996-1997 and 31% less likely in 1997-1998 (Influence of high-risk medical conditions on the effectiveness of influenza vaccination among elderly members of three large managed-care organizations. Clinical Infectious Diseases, 2002;35(4):370-377).
Vaccination was equally effective for healthy patients and ...
Source: HighBeam Research, Vaccination against the flu highly effective in the elderly.(Brief...