If you're dreading your next flu shot, here's good news: Needle-free injection technology could be coming to a health clinic near you.
Rather than piercing the skin with a hypodermic needle, PharmaJet's spring-powered gadget uses a high-velocity stream of liquid to deliver vaccines or medications. The process takes less than one-third of a second.
The small device has big potential, and not just for needlephobes. An estimated 16 billion injections are given each year in developing countries. In some cases, needles are reused or improperly thrown away -- and vaccines meant to prevent diseases end up spreading them instead. Read the full article here
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