What Are We Measuring?

Influenza, or the flu, is an easily spread respiratory tract infection. Each year approximately 226,000 people in the US are hospitalized with complications from influenza. Vaccination is associated with reductions in influenza among all age groups and is the most effective method for preventing influenza virus infection and its severe complications.

Massachusetts General Hospital tracks the percentage of inpatients age six months or older discharged during flu season (October – March) who are screened for influenza vaccine status and vaccinated prior to discharge, if needed.