Some Covid-19 cases turn severe due to faulty genes, misguided antibodies – Hindustan Times

More than 10 per cent of young and healthy people who develop severe Covid-19 have misguided antibodies that attack not the virus, but the immune system itself, and another 3.5 per cent may carry a specific kind of genetic mutation, according to a new study.
The research, published in the journal Science, noted that both groups of patients lack type I interferon — a set of 17 proteins crucial for protecting cells and the body from viruses.
These proteins, according to the researchers from t…

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