Share of SARS-CoV-2 sequences that are the delta variant

Shown is the delta variant's share of total analyzed sequences in the preceding two weeks.

Oct 26, 2020Aug 14, 2023Sep 12, 2021Mar 31, 2022Oct 17, 2022BelgiumCanadaFranceGermanyItalySouth AfricaSpainUnited KingdomUnited StatesBotswanaAustralia

Source: GISAID, via CoVariants.org – Last updated 21 August 2023

Note: This share may not reflect the complete breakdown of cases, since only a fraction of all cases are sequenced. Recently-discovered or actively-monitored variants may be overrepresented, assuspected cases of these variants are likely to be sequenced preferentially or faster than other cases.

May 11, 2020
Aug 14, 2023