Cameroon: travel-driven emergence and spread of SARS-CoV-2 lineage B.1.620 with multiple VOC-like mutations and deletions in Europe

“In this study we have presented evidence that a SARS-CoV-2 lineage designated B.1.620, first detected in Europe in late February, is associated with Central Africa, where it appears to circulate at very high prevalence, and has been introduced into Europe and the US on multiple occasions.  More...

WHO: Newly designated VOC within lineage B.1.617 – update on Delta coronavirus variant

In consultation with the WHO SARS-CoV-2 Virus Evolution Working Group, WHO has determined that viruses within the lineage B.1.617 have been characterized as a VOC.  More...

UK: 1600 cases of Delta variant B.1.617.2 in Britain, now at >8% of total

According to the Covid-19 genomics UK consortium database, in sequences up to 11th May, there have been 1,604 instances of B.1.617.2, making it the second most common variant in the UK.   More...

France: Breton coronavirus variant B.1.616 – “A new Sars-Cov-2 variant poorly detected by RT-PCR on nasopharyngeal samples, with high lethality”

We report a nosocomial outbreak of COVID-19 cases related to a new variant, B.1.616, characterized by poor detection by RT-PCR tests on nasopharyngeal samples despite typical clinical, radiological, and biological features of COVID-19.   More...