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Ultrasound can push vaccines into the body without needles (www.newscientist.com)

submitted 11 months ago by tsonfeir@lemm.ee to c/technology@lemmy.world

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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.

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[–] SVcross@lemmy.world 2 points 11 months ago (2 children)

First of all, thank you for taking the time help me understand. I didn't know about past vaccines that used the system.

[–] echodot@feddit.uk 1 points 11 months ago

The smallpox vaccine was put on a sugar lump that children then ate (It really was a different time) And even after going through the digestive tract it still worked.

[–] tinwhiskers@lemmy.world 1 points 11 months ago

They didn't use this system. There are other needleless systems, primarily jet systems that use high pressure.