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 […]