Omicron keeps world jittery as more information drips out
Understanding omicron, the new COVID-19 variant
1 December 2021Congo Basin’s vital clues to HIV’s behaviour: How we’re trying to crack its complex code
1 December 2021Omicron keeps world jittery as more information drips out
The omicron variant kept a jittery world off-kilter Wednesday as Japan further tightened travel restrictions, infections linked to the new version of the coronavirus popped up in more places and new evidence made clear the mutant strain was circulating weeks earlier than thought.
