So, What Exactly Is "Delta Plus"?
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The Delta variant rapidly spread after it was first detected in India in the spring, when 70% of sequenced COVID cases were the Delta variant. With vaccination rates on the rise across India, COVID cases are also decreasing there. But Delta has already spread around the world, now accounting for 84% of cases in Australia, 72% of cases sequenced in South Africa, and 82% of cases in the U.S., according to research from John Hopkins' Coronavirus Resource Center. The Delta variant also accounted for an 80% increase in deaths across Africa in just the last four weeks, the World Health Organization said.
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