Did government Covid policies help the Indian variant spread?

Experts say delaying second doses of vaccines may have paved way for Delta strain to become dominant mutation of the virus

Injecting vaccine into arm
(Image credit: STEPHANE DE SAKUTIN/AFP via Getty Images)

University of Cambridge researcher Jonathan R. Goodman on how the UK’s coronavirus vaccination strategy may have given an evolutionary helping hand to the rapidly spreading variant

The Delta coronavirus variant, which was first detected in India, is now the dominant variant in the UK. Some experts warn that the Delta variant may be 100% more transmissible than the previously dominant variant, Alpha. But we don’t think that transmissibility alone explains Delta’s dominance.

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