How Is The Influenza Vaccine Administered In Patients Older Than 9 Years Of Age?
How Is The Influenza Vaccine Administered In Patients Older Than 9 Years Of Age? For adults 19 years of age and older, the deltoid muscle in the upper arm is the preferred site, although the vastus lateralis muscle in the anterolateral thigh may be used if the deltoid site cannot be used. Influenza vaccines are