Bubble Plot from Scientific Research

Data are from 484 samples sequenced from travellers arriving in Accra from September, 2020, to November, 2021. Each circle represents the number of cases. Travellers from Africa were the highest proportion of travellers into Ghana (appendix p 810). Alpha (B.1.1.7), beta (B.1.351 and B.1.351.2), delta (B.1.617.2 and AY.x), gamma (P.1 and P.1.1), and omicron (BA.1 and B.1.1.529) were all designated as variants of concern.

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