The sputtering U.S. vaccine campaign has run headlong into the highly-contagious delta variant. The U.K.’s reopening has coincided with a new surge in cases and fears of “long Covid” in younger people. In Africa, deaths have spiked as vaccine supplies remain meager. And in Japan, rising infections have forced the already-delayed Summer Olympics to be played in empty stadiums and arenas.from International-News-Economic Times https://ift.tt/2TICpda
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