By what method should hepatitis A vaccine be administered?

Hepatitis A vaccine (HepA) should be administered intramuscularly (IM), using the appropriate injection site and needle size as determined by the patient’s age and body mass. See Immunize.org’s clinical resource, “How to Administer Intramuscular and Subcutaneous Vaccine Injections” for details, www.immunize.org/catg.d/p2020.pdf.