The newer Kraken and Cerberus
sub-strains of the COVID-19 virus are continuing to show
moderate growth in Italy, the Higher Health Institute (ISS) said
in its latest variant report Friday.
The increase, albeit moderate, in the proportion of sequences
linked to the sub-languages CH.1.1 called Cerberus (2.2%
compared to 0.6% in the previous bulletin) and XBB.1.5 known as
Kraken (1.1% compared to 0.05%) continues, according to the
latest ISS variant bulletin for the last 6 weeks (19 December
2022 - 29 January 2023).
Omicron accounts for almost all (99.97%) of the sequencing.
The remaining 0.03% can be attributed to a Delta/Omicron
recombinant.
BA.5 is predominant (87.0%), with 138 different sub-lignatures.
Of these, BQ.1.1 reached 38.9% (was 30.8% in the previous
report).
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