Health December 2, 2021 | 4:27 pm
The World Health Organization (WHO) acknowledged that antiviral vaccines could be less effective against the new Omicron variant but insisted that there should be no cause for alarm, clarifying that they would continue to protect against severe forms of the disease.
In its weekly epidemiological report, WHO, which has so far received notifications of cases of the new variant from 23 countries,
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