Fig. 3From: Sequential viral introductions and spread of BA.1 across Pakistan provinces during the Omicron waveFrequency of Omicron variants across Pakistan. The graph shows all Omicron (n = 955) genomes submitted from each region between December 1, 2021, and August 14, 2022. BA.1 (blue), BA.2 (orange), BA.4 (yellow) and BA.5 (green)Back to article page