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epidemic Tag

The head of the UN health agency expressed concern on Friday over the COVID-19’s delta variant, which he called “the most transmissible” mutation to date.  Tedros Adhanom Ghebreyesus, Director-General of the World health Organization (WHO) told journalists at a regular briefing that delta has been identified in at least 85 countries and is “spreading rapidly among unvaccinated populations”.  “As some countries ease