Published in Vaccine Weekly, April 19th, 1999
It is suspected that some 85 percent of asthma exacerbations may be caused by upper respiratory tract infections with viruses - including influenza.
To see whether influenza vaccination protected children from such exacerbated asthma episodes, CDC researcher Piotr Kramarz and colleagues conducted a historical cohort study using data from the Vaccine Safety Datalink (VSD). For the 1995/1996 influenza season, the researchers evaluated the incidence of hospitalization or emergency room visits in vaccinated...
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Source: Vaccine Weekly (1999-04-19)
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