Two new, very good threads to decipher Omicron's story:
It's more mild in people who've been vaccinated or had prior Covid
https://twitter.com/jburnmurdoch/status/1467270450111787012…
Potential for spread >> Delta (which could be mediated by immune evasion w/o invoking more transmissibility)
https://twitter.com/trvrb/status/1467245923939983361…