Latest 'lineage of concern' report now available for 2021-01-13. Today we report on lineages B.1.1.7, B.1.351 /501Y.V2 and lineage P.1. @arambaut @viralverity @nmrfaria @MOUGK @Tuliodna

Today, 13,699 sequences on GISAID from 35 different countries were assigned lineage B.1.1.7.

410 sequences from 12 different countries across the globe were assigned lineage B.1.351/ 501Y.V2. @Tuliodna @houzhou

We also newly present data tracking lineage P.1, referred to on virological by @nmrfaria et al (https://t.co/cbOeQULIGS). This lineage has been detected in Brazil and Japan so far, with 15 sequences on GISAID, but has a number of biologically significant mutations. @arambaut

We present updated reports and sequence counts of B.1.1.7 on flights leaving London in October. A total of 51 countries have reported cases of B.1.1.7. @MOUGK @viralverity