Answer
Gardasil 9 is administered by intramuscular injection, preferably into the deltoid area of the upper arm or the higher anterolateral area of the thigh, and must not be injected intravascularly, subcutaneously or intradermally.
Sources for this answer
- Gardasil 9Merck Sharp & Dohme (UK) Limited · emc · SmPC §4.2 Posology and method of administration · Version 16Document updated
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