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Breakthrough: scientists find blood type may play role in severe ...

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Pandemic

Breakthrough: scientists find blood type may play role in severe Covid

A protein that determines blood groups could be vital in discovering targets for development of treatments, say experts

Senior science reporter

A question that has dogged scientists since Covid-19 first struck has been this: why do some people become severely ill and others have no symptoms at all?

It was established early in the now-two-year-old pandemic that advanced age and certain comorbidities place some people at far higher risk than others when it comes to severe disease and death.

But that was only part of the picture...

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