COVID Variants tagged posts

In fight against COVID Variants some firms Target Tcell Jabs

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Credit: Unsplash/CC0 Public Domain

Getting COVID vaccines into the arms of the world’s population is an international priority—but will today’s jabs stay effective against virus variants that are spreading across the globe?

It is one of the big questions about the pandemic, with Pfizer chief Albert Bourla recently acknowledging that it is likely a booster will be needed to help extend the protection conferred by its vaccine and ward off new variants.

A recent study presented a mixed picture. It found that the antibody response of current vaccines could fail against variants. However, a second immune response in the form of killer T cells—which attack already infected cells and not the virus itself—remained largely intact.

Several startups are working on developing shots ...

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