COVID-19 remains a global public health threat despite its current non-pandemic status.
Articles on XBB.1.5
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Researchers still don’t know how well BA.2.86 will evade immunity or whether it will cause more severe disease than its predecessors.
XBB.1.5 and other subvariants do signal a change in how the virus is mutating. Here’s what this means for Australia and globally.
The XBB.1.5 subvariant — nicknamed ‘Kraken’ — is arguably the most genetically rich and most transmissible SARS-CoV-2 Omicron subvariant yet.



