B.1.1.7 coronavirus variant infections have the potential to cause substantial additional mortality

The mortality hazard ratio associated with infection with VOC-202012/1 [B.1.1.7] compared to infection with previously circulating variants is 1.64 in patients who have tested positive for COVID-19 in the community.  More...

Genomics and epidemiology of a novel SARS-CoV-2 lineage in Manaus, Brazil P1 coronavirus

Through genome sequencing of viruses sampled in Manaus between November 2020 and January 2021, we identified the emergence and circulation of a novel SARS-CoV-2 variant of concern, lineage P.1, that acquired 17 mutations, including a trio in the spike protein (K417T, E484K and N501Y) associated with increased binding to the human ACE2 receptor.  More...