The Omicron variant appears better able to break into cells and evade immunity, and seems to replicate faster in the airways than the Delta variant
As Omicron has rapidly taken over as the dominant variant of the coronavirus in South Africa and the U.K., scientists are beginning to piece together what gives it its evolutionary advantage.
Researchers are still refining and augmenting their findings, but Omicron’s heightened transmissibility appears to be a combination of several properties: It seems able to more easily bind to and break into human respiratory cells; it appears to replicate faster once within our bodies; and it can substantially evade the immunity gained from past infection or vaccination.
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