More than 150 bodies reportedly found near the banks of Ganga river in northern Bihar state, with officials saying they were bloated and decomposed, as if they had been in the river for at least five to seven days.
WHO chief scientist Soumya Swaminathan says B 1.617 coronavirus variant has some mutations which increase transmission, and which also potentially could make it resistant to antibodies.
In a special report, Reuters unpacks and delivers the most detailed account to date of what went wrong with the dosing in the Oxford-AstraZeneca vaccine trial.
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