Omicron appears to be less efficient at entering lung cells.
The omicron variant of SARS-CoV-2 may be less efficient at infiltrating the lungs and spreading from cell to cell, compared with other versions of the coronavirus , early studies of human cells in a lab dish suggest.
This may help explain why some early data from countries such as South Africa and England suggest the strain causes less severe disease. But although omicron may not invade lung cells efficiently, the new study, posted Tuesday to the preprint database bioRxiv ,…
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