Omicron Multiplies Faster in Airways, Slower in Lungs

https://www.medscape.com/viewarticle/964911

Compared to the earlier Delta variant, Omicron multiplies itself 70 times more quickly in airway passages, which may facilitate person-to-person spread, they said. But in lung tissues, Omicron replicates 10 times more slowly than the original version of the coronavirus, which might contribute to less-severe illness.