Australia's Chief Medical Officer Paul Kelly is giving a bit of context around what it means for a strain to be declared as a "variant of concern".
"This is not the first variant we've seen.
"This virus, we've learnt over the last two years, does change. Most of those changes lead to nothing.
"Some require further information and information-gathering.
"And then a small number have led to this 'variant of concern' designation by the World Health Organization.
"Now, several of those that have been seen — and we've gone through the Greek alphabet, we're now up to Omicron — several of those started with concern, a lot of concern about, for example, vaccine effectiveness, or further severity, or more transmission.
"Most of those — and some of those have actually lost their 'concern' status because with further information as it's come, that concern was not justified."
https://news.google.com/__i/rss/rd/articles/CBMiZmh0dHBzOi8vd3d3LmFiYy5uZXQuYXUvbmV3cy8yMDIxLTExLTI5L2NvdmlkLXVwZGF0ZXMtd2hvLW9taWNyb24tY29yb25hdmlydXMtdmFyaWFudC1ib3JkZXJzLzEwMDY1NzYwNNIBKGh0dHBzOi8vYW1wLmFiYy5uZXQuYXUvYXJ0aWNsZS8xMDA2NTc2MDQ?oc=5
2021-11-28 21:01:13Z
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