The needle-free jet injector
0:06
YouTubeSeeFacter
The needle-free jet injector
The needle-free jet injector, widely adopted as a cutting-edge public health tool in 1967 London vaccine campaigns, works by propelling a fine, high-pressure liquid vaccine jet through human skin, fully eliminating the need for traditional steel needles. Capable of hundreds of inoculations per hour, it enabled rapid, nearly painless mass ...
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Jet Injector Vaccine
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1970 में आ गया था Needle-Free Injection, फिर आज गायब क्यों है? #facts #JetInjector #Science #shorts
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YouTubeTechWizards
1970 में आ गया था Needle-Free Injection, फिर आज गायब क्यों है? #facts #JetInjector #Science #shorts
0:54
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YouTubeGeo Mystery
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YouTubeMechabytes
0:07
This is how millions were vaccinated during the 1960s using high- pressure liquid instead of needles
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YouTubeBotvin Ai
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