For intramuscular injection only.
2.1 Dosage
Administer Flublok as a single 0.5-mL dose.
2.2 Administration
Shake the single-dose vial gently before withdrawing the vaccine dose.
Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permits. If either of these conditions exists, the vaccine should not be administered.
The preferred site for injection is the deltoid muscle. Administration is by sterile needle and syringe.
Flublok should not be mixed with any other vaccine in the same syringe or vial.