- Scientist who helped discover Omicron variant warns of its potential: “This is probably the most mutated virus we’d ever seen”CBS News
- November 29 Omicron Covid-19 variant newsCNN
- Omicron may cause milder symptoms. But experts aren’t breathing easy yet.NBC News
- Singapore says two travellers to Sydney with Omicron transited at ChangiReuters
- New coronavirus strain causes countries to tighten bordersThe Washington Post