Research Article

Relevant SARS-CoV-2 Genome Variation through Six Months of Worldwide Monitoring

Table 1

Distribution of the number of transition and transversion mutations and the Ti/Tv ratio according to cutoffs of variant frequencies (VF) using global data of 42523 SARS-CoV-2 genomes.

Cutoff frequencyTransitionTransversionTi/Tv ratio

42 (79%)13 (21%)3.2
832 (73%)303 (27%)2.7
5423 (67%)3225 (37%)1.7
Total12822 (55%)10380 (45%)1.2