Answer
Engerix B hepatitis B vaccine (rDNA) is injected intramuscularly into the deltoid region in adults, although exceptionally it may be administered subcutaneously in patients with thrombocytopenia or bleeding disorders.
Sources for this answer
- Engerix B 20 micrograms/1 ml Suspension for injection in pre-filled syringe (Adult and Paediatric)GlaxoSmithKline UK · emc · SmPC §4.2 Posology and method of administration · Version 20Document updated
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