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Coronavirus

Study Shows People Who Haven’t Had COVID-19 Might Have Immunity

The immune systems of some people who have not been exposed to the novel coronavirus could have some familiarity with the pathogen — possibly helping to reduce the severity of illness if that person does get Covid-19, a new study suggests.

The study, published in the journal Nature on Wednesday, found that among a sample of 68 healthy adults in Germany who had not been exposed to the coronavirus, 35% had T cells in their blood that were reactive to the virus.

T cells are part of the immune system and help protect the body from infection. T cell reactivity suggests that the immune system might have had some previous experience fighting a similar infection and may use that memory to help fight a new infection.

Read the source article at cnn.com

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