On May 19, 2009, researchers presented a study that found children who received the trivalent inactivated influenza vaccine [TIV] had a three times greater risk of hospitalization for the flu than kids who were not vaccinated at the International Conference of the American Thoracic Society in San Diego.
To determine whether the vaccine was effective in reducing the number of hospitalizations over consecutive flu seasons for 8 years, the researchers conducted a study of 263 children between the ages of 6 months and 18, evaluated at the Mayo Clinic between 1996 and 2006, with laboratory-confirmed influenza and reviewed records to determine which kids had received a flu shot before the illness and hospitalization. Read the rest of this entry »