INFLUENZA VACCINE: More hospitalizations of asthma children who took the vaccine

Excerpt:  We conducted a nested case control study of all pediatric subjects (6 months to 18 years old) who were evaluated at the Mayo Clinic, Rochester, MN, who had laboratory-confirmed influenza during each flu season from 1999 to 2006 to evaluate the efficacy of TIV in preventing hospitalization. A case-control analysis was performed with the cases and the controls being the subjects who did and did not required hospitalization with the influenza illness, respectively. There were 261 subjects with laboratory-confirmed influenza from 1996 to 2006. There was an overall trend toward higher rates of hospitalization in subjects who got the TIV when compared with the ones who did not get the TIV (odds ratio [OR], 3.67; CI, 1.6, 8.4).Read study

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