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Coronavirus (COVID-19) Collection
Effectiveness of the neutralizing antibody sotrovimab among high-risk patients with mild-to-moderate SARS-CoV-2 in Qatar
Several monoclonal antibodies against SARS-CoV-2 have been developed for the treatment of COVID-19 (Miguez-Rey et al., 2022). One of these is sotrovimab, which significantly reduced the risk of COVID-19 hospitalization and death due to infection with pre-Omicron SARS-CoV-2 variants in a randomized clinical trial (Gupta et al., 2021). The United States Food and Drug Administration (FDA) issued an emergency authorization to permit the use of sotrovimab for the treatment of mild-to-moderate COVID-19 in patients at high risk of progression to severe COVID-19 (US Food and Drug Administration, 2022).Real-Time SARS-CoV-2 Genotyping by High-Throughput Multiplex PCR Reveals the Epidemiology of the Variants of Concern in Qatar
Complementing whole genome sequencing strategies with high-throughput multiplex RT-qPCR genotyping allows for more comprehensive and real-time tracking of SARS-CoV-2 variants of concern. During the second and third waves of COVID-19 in Qatar, PCR genotyping, combined with Sanger sequencing of un-typeable samples, was employed to describe the epidemiology of the Alpha, Beta and Delta variants. A total of 9792 nasopharyngeal PCR-positive samples collected between April-June 2021 were successfully genotyped, revealing the importation and transmission dynamics of these three variants in Qatar.
