Breakthrough Infections of E484K-Harboring SARS-CoV-2 Delta Variant, Lombardy, Italy.

ABSTRACT: The Delta variant of concern of severe acute respiratory syndrome coronavirus 2 is dominant worldwide. We report a case cluster caused by Delta sublineage B.1.617.2 harboring the mutation E484K in Italy during July 11-July 29, 2021. This mutation appears to affect immune response and vaccine efficacy; monitoring its appearance is urgent.

SUBMITTER: Baj A 

PROVIDER: S-EPMC8632179 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature