“Based on data from Denmark, the first country where BA.2 overtook BA.1, there appears to be no difference in disease severity, although BA.2 has the potential to replace BA.1 globally. Looking at other countries where BA.2 is now overtaking, we're not seeing any higher bumps in hospitalization than expected. The subvariant is already becoming dominant in the Philippines, Nepal, Qatar, India and Denmark. Vaccination is profoundly protective against severe disease, including for Omicron. BA.2 is rapidly replacing BA.1. Its impact is unlikely to be substantial, although more data are needed.”
01 Feb 2022
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