updates

COVID-MVP update September 20, 2023

Total sequences: 508910 New sequences: 171 New lineages: [‘HH.1.1’, ‘FT.3.1.1’] New mutations: ORF1a:P1961S HH.1.1 ORF1a:S2378L HH.1.1 ORF1a:C3766R HH.1.1 ORF1b:P6280P HH.1.1 ORF1b:P6475T HH.1.1 S:N703S HH.1.1