27/06/2021
https://sg.yahoo.com/news/delta-variant-most-transmissible-identified-181703674.html
The head of the World Health Organization said the COVID-19 delta variant, first seen in India, is “the most transmissible of the variants identified so far,” and warned it is now spreading in at least 85 countries. At a press briefing on Friday, WHO director-general Tedros Adhanom Ghebreyesus s...