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2001 MAY 23 - (NewsRx.com & NewsRx.net) --
by N.R. Saltmarsh, staff medical writer - A massive vaccination program in the downtown Vancouver area appears to have reduced emergency department (ED) visits and admissions for pneumonia at a local hospital, say researchers working in Canada.
In November 1999, the local health board vaccinated 7,114 people living in the downtown east side of Vancouver (DTES), an urban area with many injection drug users, alcoholics, and HIV/AIDS patients.
St. Paul's Hospital, the primary facility serving the DTES, undertook a study to compare the number of visits to its ED one year before and one year after the vaccine program.
E.J. Grafstein and team also compared data from an ED database with the regional immunization database to see which of the patients with pneumonia had been vaccinated in the campaign.
From December 1998 to November 1999 there were 863 cases of pneumonia among 51,825 ED visits (1.7%), compared with 646 cases among 49,981 visits (1.3%), in the post-vaccine period from December 1999 to November 2000, reported Grafstein and associates. This represented a 22% decrease.
Hospital admissions for pneumonia through the ED decreased by 25% during the same period ("The effect of a community mass pneumococcal vaccination campaign on emergency department visits," Acad Emerg Med, May 2001;8(5):492-3).