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Nairaland Forum / Nairaland / General / Health / A New Type Of COVID-19 Vaccine Could Debut Soon (106 Views)
A New Type Of COVID-19 Vaccine Could Debut Soon / Pfizer COVID-19 Vaccine:Margaret Keenan Is 1st In world To Get It / Coronavirus:Bill Gates Says Vaccine Could Be Ready For Large-scale Trial By June (2) (3) (4)
|A New Type Of COVID-19 Vaccine Could Debut Soon by Kennying: 3:49am On Jun 16, 2021|
A new kind of COVID-19 vaccine could be available as soon as this summer.
It's what's known as a protein subunit vaccine. It works somewhat differently from the current crop of vaccines authorized for use in the U.S. but is based on a well-understood technology and doesn't require special refrigeration.
In general, vaccines work by showing people's immune systems something that looks like the virus but really isn't. Consider it an advance warning; if the real virus ever turns up, the immune system is ready to try to squelch it.
In the case of the coronavirus, that "something" is one of the proteins in the virus — the spike protein.
The vaccines made by Johnson & Johnson, Moderna and Pfizer contain genetic instructions for the spike protein, and it's up to the cells in our bodies to make the protein itself.
The first protein subunit COVID-19 vaccine to become available will likely come from the biotech company, Novavax. In contrast to the three vaccines already authorized in the U.S., it contains the spike protein itself — no need to make it, it's already made — along with an adjuvant that enhances the immune system's response, to make the vaccine even more protective.
Protein subunit vaccines made this way have been around for a while. There are vaccines on the market for hepatitis B and pertussis based on this technology.
A large test of the Novavax COVID-19 vaccine's effectiveness, conducted in tens of thousands of volunteers in the United States and Mexico, is about to wrap up. Dr. Gregory Glenn, president of research and development for Novavax, told an audience at a recent webinar hosted by the International Society for Vaccines that "we anticipate filing for authorization in the U.K., U.S. and Europe in the third quarter."
New technologies and new vaccines, as long as they are safe enough to ensure people's safety and epidemic prevention, I think they should support.
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