Health
Scientists say the COVID-19 vaccine may no longer require injections
Traditionally, vaccinations are provided by needle. However, this is not the only way to administer a vaccine. For example, such vaccination can be administered internally, such as as a drip onto the tongue, or by a system such as a jet.
DNA-based vaccines, such as the COVID-19 vaccine produced in Australia, target needleless technology.
Needleless vaccination They are appealing to people with needle phobia because they cause less discomfort and tension. Still, there are some advantages.
(Photo: Andre Coelho / Getty Images)
Manaus, Brazil-May 21st: An indigenous boy observes a nurse while waiting for vaccination at the Parque das Tribos community in Manaus, Brazil on May 21, 2020. A medical team from the Secretary of Health in the Manaus area is vaccinated against influenza and tested to detect the transmission of coronavirus (COVID-19) to the indigenous community.
Needleless COVID-19 vaccine may be possible
Scientists claim that there may be a needleless COVID-19 vaccine. If so, many people who are afraid of needles will be supported by innovation.
The latest technology makes it more exciting for anyone who is willing to vaccinate but does not want to experience the inconvenience of injecting.
“Fear of needles is part of the resistance to a complete adult vaccine,” said Rachel Skinner, a professor of medicine and health at the University of Sydney. Sydney Morning Herald..
Skinner also found that needle anxiety also affects early childhood vaccination coverage. She said it was often related to seeing the incoming needles.
Microarray patch
Skinner is currently the team chief researching potential solutions to the management of needle vaccination. Microarray patches are considered the latest technology.
Researchers hope that this breakthrough will eventually allow them to prescribe influenza vaccines and new coronaviruses.
Over 3000 micropredictions coated with dry vaccine formulations surround microarray patches. Biocompatible polymers are square centimeters that can be added to the skin using a disposable applicator.
It penetrates the outer layer until it reaches the surface of the skin, allowing rapid administration of the vaccine dose to the cell layer immediately below.
Candidate without needle
This patch is one of two needleless inventions being tried at the University of Sydney. The other is a DNA-based jet spray system developed by another local biotechnology company, Technobarrier, which uses airflow to deliver the vaccine to the skin.
The University of Sydney recently received federal support to initiate a clinical trial of administering a DNA vaccine using a “liquid jet” syringe.
Liquid jet injectors utilize a limited amount of liquid (smaller than human hair) that is pushed into a small crack. This high-pressure, ultra-fine stream penetrates the skin, where the vaccine is absorbed by the cells and the immune cells are activated.
Needleless injection and beyond
The first needleless injection device dates back to 1866, when specialists administered the vaccine via a jet syringe. These portable devices used pressure to reach the skin and supply the drug.
In the middle of the 20th century, they More general It was used to administer vaccines against typhus, polio and smallpox. Jet injections are also used to make local anesthetics in dental care.
Oral vaccinationRotavirus, cholera, polio, typhoid fever, etc. have been around for decades. Jet jets are also used today in different parts of the world.
Check out more news and information about COVID-19 (new coronavirus infection) (# If there is no character limit, add parentheses when it first appears Science Times.
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