Vaccines for COVID-19 or other diseases are typically produced using needles and syringes. This may change. All thanks to the discovery of American scientists who found a new way to introduce protective drugs. Fast and painless.
A team of scientists from the University of Oxford is conducting research into a new method of administering vaccines for COVID-19 and others. What exactly is this method? It is based on the so-called cavitation, i.e. the formation and rapid disappearance of microscopic gas bubbles in a liquid. This physical phenomenon occurs under the influence of ultrasonic waves. The researchers replaced a common liquid, such as water, with a protective drug. When the blisters begin to break and disappear, substances in the vaccine may enter the body.
Are needle-free vaccines effective against COVID-19?
The study showed that vaccination using ultrasound technology delivers 700 times fewer protective particles into the body than a traditional procedure that involves injecting a substance. At the same time, this ensures a better response of the body to the vaccine and, as a result, guarantees better immunity. How is this possible? It is difficult to give a definite answer to this question. Scientists speculate that this occurs because the drug reaches the skin, which contains various components of the immune system. As a result, the vaccine itself becomes more effective.
Vaccination using ultrasound is generally safe. However, it should be emphasized that using too high a dose of this energy can lead to mechanical damage to the cells. Currently, scientists are working to determine the so-called safety threshold for the permissible number and maximum intensity of ultrasonic waves. All this to minimize the risk of tissue damage.
Ultrasound vaccines and fear of needles
A key advantage of ultrasound vaccines for COVID-19 or other diseases is that they do not require the use of a syringe. This is important because more and more people are suffering from Aichmophobia these days. This is nothing more than a fear of needles and other sharp objects. People experiencing this condition cannot undergo various medical procedures, such as blood draws or vaccinations. As a result, they put their health and lives at risk. The researchers emphasize that ultrasound technology can help not only patients with aichmophobia. Its use will also make the process of administering vaccines easier.
Source: Wprost
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