Health
This needle-free vaccine fights new coronavirus variants better than conventional vaccines
Those refraining from Covid jabs for fear of needles may find some relief as researchers develop a needle-free method vaccination Patches that can fight Covid-19 better than traditional needles vaccination.
a Research by the University of Queenslandwas conducted in mice using Vaxxas High Density Microarray Patches (HD-MAP) in partnership with Brisbane biotech company Vaxxas to show that Hexapro SARS-CoV-2 spikes vaccination Patches can much more effectively neutralize Covid-19 variants such as Omicron and Delta.
Dr Christopher McMillan of the University of Queensland told the UQ newsletter that the Hexapro vaccine patch appeared to combat the new variant more effectively than the current injectable SARs-CoV-2 vaccine.
“High-density microarray patches are a vaccine delivery platform that precisely delivers vaccines to immune cell-rich layers of the skin,” said Dr. McMillan.
“We found that vaccination via the patch was approximately 11 times more effective in combating the Omicron subspecies compared to the same vaccine administered via needle.”
With new Covid-19 variants constantly emerging, currently available vaccines may not be as effective, leaving researchers at a crossroads.
Also read: Data story: India records 16,464 new Covid cases, 526,396 deaths
“This reduced efficacy was highlighted by Omicron variants containing more than 30 mutations in the spike protein,” said Dr. Muller.
“A number of mutations gave the virus the ability to evade the immune response generated by current vaccines.”
“But patch technology has the potential to provide our arsenal with new, more effective weapons at a time when new variants are rapidly mutating.
“Patches are not only more effective against emerging subspecies, they are also much easier to administer than needle-based vaccines.
“However, it is important to emphasize that existing vaccines are still an effective way to combat serious illness and disease from this virus and it is not time to let our guard down.”
Vaxxas CEO David Hoey said:
This includes the construction of the first manufacturing facility in Brisbane to support the transition to commercialization of HD-MAP vaccine candidates, including the Hexapro COVID-19 patch. ”
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