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. 2021 Jun 3;50(6):784–787. doi: 10.1016/j.hrtlng.2021.05.008

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Fig. 1 — (A) Line graph showing the mutation and case prevalence over time in India. The novel variant "B.1.617.2" has a sharp rise in April and May 2021 (green line) in the upper half of the figure coinciding with the increasing cases as represented by the second peak in April and May 2021 in the lower half of the figure. (B) Graphical representation of the prevalence of common variants of SARS-CoV-2 over the past 60 days (April and May 2021) in India with “B.1.617.2” being the most dominant variant (48%). (Fig. 1A and 1B source: Outbreak.info; Available online: https://outbreak.info/).⁷