2021 Update #1: On Jan 15, 2021 we added 164 new full-length (FL) and 206 new control region (CR) GenBank sequences to our database. This brings our total number of FL sequences to 51,836 and the number of CR sequences to 74,866. Our SNVs now total 19,403. We update our GenBank sequences every 4-6 months. Hand curation of variants and references continues weekly. See the GenBank Frequency Info page for details about our current sequence sets.