Covid variants Alpha-Beta-Delta detected in these countries

Aaj Tak 2021-06-25

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Is the delta plus variant of the corona virus the most powerful variant ever, on which the effect of the corona vaccine is also declining? This question is raging now because more than 200 cases of Delta Plus variant have been confirmed so far in the world including India. The Delta Plus has been declared a variant of concern in India. Watch which variant of covid-19 is most dangerous.

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