Health
Scientists discover many people unexposed to coronavirus have immune cells – Stuff.co.nz
Scientists excited by the discovery of T cell cross-reactivity, which they hope can help explain the mystery of the virus.
Evidence is emerging worldwide showing between 20 and 50 per cent of people who have never been exposed to Covid-19 have immune cells that can recognise and react to the virus.
The discovery of T cell cross-reactivity has excited immunologists, who hope it could explain some of the mysteries that surround the virus, such as why some people get so much sicker than others.
But scientists caution that it is not yet clear what the discovery means for human health.
T cell cross-reactivity could …
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