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Covid-19: Only one of the three strains is a ‘variant of concern’: WHO
The B.1.617 variant was first detected in India and was divided into three lineages - B.1.617.1, B.1.617.2, and B.1.617.3.
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WHO names Covid-19 variants found in India ‘Delta’ and ‘Kappa’
The so-called Indian variant B.1.617 is split into sub-lineages, of which the B.1.617.2 variant of concern becomes Delta. The B.1.617.1 variant of int
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WHO says India COVID variant found in 44 countries, of global concern
According to the WHO, B.1.617 sub-lineages appear to have higher rates of transmission, including observed rapid increases in prevalence in multiple c
