2020-08-06@07:15:03 GMT
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    (CNN)We're now more than seven months into the coronavirus pandemic that has upended the lives of most of Earth's inhabitants. And while it is true that the scientific community has learned many things about the SARS-CoV-2 virus and the disease it causes, Covid-19, there are also many gaps in our understanding. One big mystery: Why do some people get very sick and even die from their illness, while other similar people show no symptoms and may not realize they've been infected at all?We know some of the big factors that put people at higher risk of having a severe, even fatal, course of disease: being over 60; being overweight or obese; having one or more chronic diseases such as diabetes,...
    By Jacqueline Howard | CNN 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...
    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...
    (CNN) — The immune systems of some people who have not been exposed to the 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...
    (CNN)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. Covid-19: What we now know about the disease caused by the novel coronavirusT 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...