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T-cell Covid immunity ‘present in adults six months after first infection’ – The Guardian

Study suggests white blood cell levels higher in people who had symptoms

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Cellular (T-cell) immunity against the virus that causes Covid-19 is likely to be present within most adults six months after primary infection, with levels considerably higher in patients with symptoms, a new study suggests.
The data offers another piece of the puzzle that could be key to understanding whether previous Sars-CoV-2 infections the virus behind Covid-19 can prevent reinfection, and if so, for how long.
The study, led by the UK coronavirus immunology consortium, evaluated 100 non-hospitalised…

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