A needleless or needle-free jet injector uses a high-pressure jet stream to puncture the skin surface without using a needle. It can be used as a method to administer a vaccine (and also to potentially administer vaccines in a dose-sparing way, which may be useful for large-scale vaccination programs or in situations of limited vaccine supply). CADTH reviewed the comparative clinical effectiveness of NFJI versus traditional needle and syringe injections for vaccine administration.

Link to Report

Needleless Injectors for the Administration of Vaccines: A Review of Clinical Effectiveness

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