Brazil trial finds efficacy of Sinovac vaccine at 50.4 percent

A coronavirus vaccine developed by China’s Sinovac Biotech was found to be just 50.4 percent effective at preventing symptomatic infections of COVID-19 in a Brazilian trial, researchers said on Tuesday, barely enough for regulatory approval and well below the rate announced last

Where to next? Bitcoin rebounds after 11 percent slide

The bounce-back still leaves investors in the dark about what lies ahead for the cryptocurrency. Bitcoin rebounded after Monday’s steep plunge left investors grasping for clues about what lies ahead for the world’s largest cryptocurrency. The digital coin rose 4.9% to $35,616

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