Delta coronavirus variant becoming globally dominant, WHO chief scientist says

The Delta variant of Covid-19, first identified in India, is becoming the globally dominant variant of the disease, the World Health Organization’s chief scientist said on Friday.Soumya Swaminathan also voiced disappointment in the failure of CureVac’s vaccine candidate in a trial to meet the WHO’s efficacy standard, in particular as highly transmissible variants boost the need for new, effective shots.Britain has reported a steep rise in infections with the Delta variant, while Germany’s top…

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