T-cells from common colds can provide protection against COVID-19 – study

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By Alistair Smout LONDON (Reuters) – High levels of T-cells from common cold coronaviruses can provide protection against COVID-19, an Imperial College London study published on Monday has found, which could inform approaches for second-generation vaccines. Immunity against COVID-19 is a complex picture, and while there is evidence of waning antibody levels six months after vaccination, T-cells are also believed to play a vital role in providing protection. The study, which began in September 2020, looked at levels of cross-reactive T-cells generated by previous common colds in 52 household co…

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