The highly infectious and dangerous Delta strain of the coronavirus is evolving and still mutating and the world is in a very dangerous period, warned World Health Organisation chief Tedros Adhanom Ghebreyesus.
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WHO chief scientist Soumya Swaminathan says Covid pandemic is not slowing down | Oneindia News
Oneindia
The World Health Organization's chief scientist said that the coronavirus infections are rising across most regions of the world as..
