As the COVID-19 pandemic continues to claim lives around the world, much research has focused on the immune system's role in patients who become seriously ill. A popular theory has it that the immune system gets so revved up fighting the virus that, after several days, it produces a so-called cytokine storm that results in potentially fatal organ damage, particularly to the lungs.
New findings from a team of researchers led by scientists at Washington University School of Medicine in St. Louis point to another theory and suggest that patients become ill because their immune systems can't do enough to protect them from the virus, landing them in intensive care units. They suggest that boosting immunity could be a potential treatment strategy for COVID-19.
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Such a strategy has been proposed in two recently published papers, one published online in JAMA Network Open and the other published online in the journal JCI Insight.