Yearlong COVID-19 Infection Reveals Within-Host Evolution of SARS-CoV-2 in a Patient With B-Cell Depletion

Article Microbiology

Potent SARS-CoV-2 neutralizing antibodies directed against spike N-terminal domain target a single supersite

Gabriele Cerutti et al.

Summary: Structural analysis revealed that seven potent NTD-directed neutralizing antibodies target a common surface on NTD, forming a single supersite different from the recognition pattern of RBD-directed antibodies.

CELL HOST & MICROBE (2021)

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Article Immunology

Intractable Coronavirus Disease 2019 (COVID-19) and Prolonged Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Replication in a Chimeric Antigen Receptor-Modified T-Cell Therapy Recipient: A Case Study

Matthew K. Hensley et al.

Summary: This study reports a case of a recipient of chimeric antigen receptor-modified T-cell therapy who developed severe COVID-19 with prolonged viral replication and evolution, along with minimal immune response, suggesting the possibility of prolonged transmission from immunosuppressed patients.

CLINICAL INFECTIOUS DISEASES (2021)

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Article Multidisciplinary Sciences

SARS-CoV-2 evolution during treatment of chronic infection

Steven A. Kemp et al.

Summary: Chronic infection with SARS-CoV-2 can lead to viral evolution and increased resistance to neutralizing antibodies in immunosuppressed individuals treated with convalescent plasma. During convalescent plasma therapy, there were significant shifts in the viral population structure and sensitivity, suggesting strong selection pressure on the virus during treatment.

NATURE (2021)

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Review Infectious Diseases

SARS-CoV-2, SARS-CoV, and MERS-CoV viral load dynamics, duration of viral shedding, and infectiousness: a systematic review and meta-analysis

Muge Cevik et al.

Summary: This study aimed to characterize the viral load dynamics, duration of viral shedding, and viable virus shedding of SARS-CoV-2 in various body fluids. The findings suggest that while SARS-CoV-2 RNA shedding can be prolonged in respiratory and stool samples, the duration of viable virus shedding is relatively short-lived.

LANCET MICROBE (2021)

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Article Biochemistry & Molecular Biology