Researchers have discovered a protective gene variant that seems to shield people from severe cases of COVID-19, and the finding could lead to new breakthroughs in fighting the coronavirus.
"Such variants have existed in modern humans on the order of approximately half a million years and therefore co-segregate with different variants than when they are derived from gene flow from Neanderthals into modern humans that occurred about 60,000 years ago."
"If we had only studied one group, we would not have been successful in identifying the gene variant in this case."
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