The New York Times
BREAKING NEWS
New studies on animals suggest why Omicron is less severe than earlier variants: It seems to cause much less damage to the lungs.
Friday, December 31, 2021 11:21 AM EST
In studies on mice and hamsters, Omicron produced less damaging infections, often limited largely to the upper airway: the nose, throat and windpipe. The variant did much less harm to the lungs, where previous variants would often cause scarring and serious breathing difficulty.
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