COVID-19 | Omicron quickly overtaking Delta globally in terms of circulation: WHO
Since December, six studies have provided evidence of reduced vaccine effectiveness of COVID-19 vaccines against the Omicron variant, COVID-19 Weekly Epidemiological Update released by the WHO said
from The Hindu - Science https://ift.tt/3fgOmxQ
from The Hindu - Science https://ift.tt/3fgOmxQ
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