A Needle Could Make For Pain-Free Flu Shots, Innovation

Using temperature, vibration and pressure, this needle can trick a patient into feeling no pain

Vaccines Without Needles: Innovations in Medical Technologies

Reducing Aesthetic Injection Pain

Immunization without needles

New flu vaccine skin patch could do away with needles

Here's How Long Flu Shot Side Effects Last, If You Experience Them

Early results of W.Va. town's needle exchange program show

Needle-free vaccines: How about a patch instead?

Remove Barriers to Encourage Influenza Vaccination of Care Home Staff

The needle-free future of vaccines – Brighter World

Needle-Free Flu Vaccine Patch Effective in Early Study