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Ultrasound can push vaccines into the body without needles
(www.newscientist.com)
This is a most excellent place for technology news and articles.
Ultrasound vaccines and 5G!
They push the vaccine through your skin with 5G!
I know you are joking, but I suspect that many people would swallow this idea while without any thought whatsoever.
Yes, we live in an age of uncritical thought.