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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.
That's weird. My heartrate and blood pressure go down before getting a shot.
Then I go down, and feel like death for a day and like I'm in rehab for a week.
Funny thing, I'm not really getting woozy talking about it (a little, but more sympathetic memory of it).