- U.S. CDC says adults 18 and over should get booster shots
- Australia on alert after first probable Omicron community case
- Scientists ask whether Omicron can outrun Delta
- Omicron poses 'very high' global risk, world must prepare: WHO
Special Report
Taiwan's friends aid secretive sub projectAs China steps up military pressure on Taiwan, the island has recruited help from abroad to build a new submarine fleet.
