How much should Australians be worried about Omicron, the new 'COVID-19 variant of concern'?
The Omicron variant has arrived in Australia after testing confirmed overseas travellers who arrived in Sydney were infected with the new strain. Source: AAP
On Friday, the World Health Organisation declared the recently-discovered B.1.1.529 strain of COVID-19, first detected in southern Africa, to be a variant of concern and renamed it Omicron. The classification puts Omicron into the most-troubling category of COVID-19 variants, the globally-dominant Delta, and its weaker rivals Alpha, Beta and Gamma.
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