Preprint: BA.2.12.1, BA.4, and BA.5 substantially escape neutralizing antibodies

These data show that the BA.2.12.1, BA.4, and BA.5 subvariants substantially escape neutralizing antibodies induced by both vaccination and infection.  More...

Europe: 2022 summer covid wave already larger than European winter wave of 2020

Despite an almost complete lack of Covid testing across Europe, case numbers in the current summer wave are already higher than last year’s summer wave of 2021, AND the winter wave of 2020.  More...

France: BA.5 at 41% of sequences in week 24, 2022

“Progressive replacement of BA.2 by BA.5 with a strong increase in detection (41%), increased presence of the mutation at position L452 in screening (64% in week 24 vs 47% in week 23), linked to the increase of certain Omicron sub-lineages including BA.4 and BA.5.”  More...