Health
Some patients suffering from severe conditions may not develop immunity to coronavirus – Economic Times
High levels of a molecule in Covid patients may prevent them from developing immunity.

BOSTON:High levels of a molecule seen in severe COVID-19 patients may prevent them from developing long-term immunity to the novel coronavirus, according to a study which says such individuals tended to make very few of a type of cells which produced antibodies against the virus.
Scientists, including those from Harvard University in the US, noted that the release of massive amounts of molecules involved in cell-cell signalling in the body called cytokines can lead to some of the most severe s…
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