Vaccines can be delivered through the skin using ultrasound. This method doesn’t damage the skin and eliminates the need for painful needles. To create a needle-free vaccine, Darcy Dunn-Lawless at the University of Oxford and his colleagues mixed vaccine molecules with tiny, cup-shaped proteins. They then applied liquid mixture to the skin of mice and exposed it to ultrasound – like that used for sonograms – for about a minute and a half.
I agree! Auto injectors aren’t cheap compared to ye olde trusty ampule and syringe, and this might push the costs towards the higher end again. I can see a kids-and-the-latex-allergic edge case scenario.
Can’t wait to see what develops 😄