Flu shot with four virus strains.

The provider injects 0.25 mL of a four–strain influenza virus vaccine into a patient’s muscle to provide immunity to four forms of influenza, a severe and infectious respiratory disease; the vaccine is free of preservatives and derived from cell cultures of a killed virus and contains a substance that increases the patient’s immune response. Choose a location to see hospital-reported price summaries. This page does not show national, sample, or aggregate pricing.