New Omicron Sub-Variants

The latest Omicron sub-variants — including the BA.4 and BA.5 forms causing new global surges in infections — are even better at eluding vaccines and most antibody treatments than previous variants, finds a study. Subvariants BA.2.12.1,…
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Two new sublineages of the Omicron coronavirus variant can dodge antibodies from earlier infection well enough to trigger a new wave, but are far less able to thrive in the blood of people vaccinated against COVID-19, South African…
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