As much as we wish it wasn't the case, Omicron is here and it's a thing. And there are lots of questions about what that might mean... So in this Squiz Shortcut, we look at what's different about the Omicron variant, what a variant even is, what it means for the current crop of vaccines, and vaccination inequality around the world.

Squiz Shortcuts is your backstory to the big news stories.

Squiz recommends:

Bloomberg vaccination tracker

'The Omicron variant: We know almost nothing' - The Atlantic