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Vaccine Effectiveness Against Severe Covid Drops Slightly: WHO
[ad_1] The Omicron variant of COVID-19 should not be dismissed as “mild”, said WHO. (File) Geneva: COVID-19 vaccines appear to have become slightly less effective in preventing severe disease and death but do provide “significant protection”, the World Health Organization (WHO) said on Tuesday. The Omicron variant first detected in South Africa and Hong Kong…