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Delta variant mutates into Delta Plus: How dangerous is it?

The Delta variant of Covid-19 has further mutated into Delta Plus variant. While the former was responsible for the brutal second wave of the virus, Delta Plus is not yet a variant of concern according to health officials in India. Experts in India explain why mutations happen and why vaccination is necessary. Watch the video for more. Also Read: COVID-19: New 'Delta plus' variant of SARS-CoV-2 emerges; all you need to know
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