
Is it inevitable the Omicron variant of COVID-19 will spread like Delta?
ABCJust weeks after Australia declared it was opening its borders to the world, some restrictions have been reimposed in response to the Omicron variant of COVID-19, first detected in South Africa. Key points: The World Health Organization has declared Omicron a "variant of concern" more quickly than previous variants Experts say the emergence of Omicron highlights the need to boost vaccination in poorer parts of the world including Africa They say mask wearing, social distancing and better ventilation will help prevent all variants of COVID including Omicron The federal government on Saturday announced that non-Australian citizens who have been in nine countries in southern Africa where Omicron has been detected are barred from entering Australia. The World Health Organization has already declared Omicron a "variant of concern", which University of Sydney epidemiologist Alexandra Martiniuk said was "very quick". Reinstatement of border closures gets support of epidemiologists Australia's Chief Medical Officer Paul Kelly said while little was known about Omicron, it was "quite different" to previous variants of concern. Professor Martiniuk said authorities in South Africa and its neighbouring countries should be thanked for "having good surveillance", noticing the emergence of Omicron and highlighting it to the global community.
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