<h5>What is ultrasound?</h5><p>Ultrasound is a sound or vibrations on a frequency outside of human hearing, particularly used for medical imaging. Ultrasound scanners are generally used to see inside the human body. For example, doctors commonly use ultrasound scans to see the unborn foetus inside the body of a pregnant woman.</p><p>Now, ultrasound technology is being tested to deliver vaccines through a person’s skin. This method will remove the need for needles, which are painful to many. The University of Oxford’s Darcy Dunn-Lawless and his colleagues have devised this method.</p><p>He recently presented the research during a conference held in Sydney, Australia.</p><h5>What is the process of delivering vaccines through ultrasound?</h5><p>The scientists combined vaccine molecules with tiny, cup-shaped proteins to develop a needle-free vaccination. They then applied the liquid combination to the skin of mice and subjected them to ultrasound, similar to that used in sonograms, for some time.</p><p>The ultrasound initially pushed the vaccine combination into the skin's upper layers. Here, the protein structure allowed vaccine-filled bubbles to develop.</p><p>The bubbles burst as the ultrasound continued hitting the skin, releasing the vaccine. As the bubbles burst, some dead skin cells were also removed. This allowed more vaccine molecules to get through.</p><p>A needle injects vaccine molecules all the way into the muscles beneath the skin. The new technique delivers the vaccine molecules into the skin’s upper layers. The researcher says this method is enough for vaccination. The test on the mice did show some positive results.</p><h5>What are the test results?</h5><figure class="image"><img src="https://firebasestorage.googleapis.com/v0/b/newsahoot.appspot.com/o/ultrasound-can-now-be-used-to-deliver-vaccines%2FVaccination.jpg?alt=media&amp;token=ecdec701-6ed8-4e7f-9e4b-19d0f87f676e"><figcaption>A person being vaccinated using injections. Photo by Wikimedia Commons / GODL-India.</figcaption></figure><p>The ultrasound technique delivered fewer vaccine molecules than normal doses in experiments with live mice. Still, the mice developed far more antibodies. The mice did not appear to be in pain, and their skin showed no signs of injury.</p><p>So, this new technique can be used to vaccinate those who have a fear of needle injections. While the early results seem encouraging, the researchers are concerned about the bad effects of this unique technology.</p><p>It must be seen how much ultrasound exposure can be used to deliver the vaccines without damaging the tissues. So, more study is needed regarding this process before it can be used on humans.</p>

Darcy Dunn-Lawless of the University of Oxford and his colleagues invented this technique.

Ultrasound Can Now Be Used to Deliver Vaccines

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Ultrasound Can Now Be Used to Deliver Vaccines

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