B.1.617.2 enters and fuses lung cells with increased efficiency

The Delta variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), B.1.617.2, emerged in India and has spread to over 80 countries. B.…

SARS-CoV-2 requires acidic pH to infect cells

P681 mutations within the polybasic motif of spike dictate fusogenicity and syncytia formation of SARS CoV-2 variants

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SARS-CoV-2 - Wikipedia

Nanostructures for prevention, diagnosis, and treatment of viral respiratory infections: from influenza virus to SARS-CoV-2 variants, Journal of Nanobiotechnology

SARS‐CoV‐2 Alpha, Beta, and Delta variants display enhanced Spike‐mediated syncytia formation

SARS-CoV-2 requires acidic pH to infect cells

COVID-19 pandemic dynamics in India, the SARS-CoV-2 Delta variant and implications for vaccination

SARS‐CoV‐2 Alpha, Beta, and Delta variants display enhanced Spike‐mediated syncytia formation

Intrinsic D614G and P681R/H mutations in SARS-CoV-2 VoCs Alpha, Delta, Omicron and viruses with D614G plus key signature mutations in spike protein alters fusogenicity and infectivity

Covid-19: virology, variants, and vaccines

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Spike protein mediated membrane fusion during SARS‐CoV‐2 infection - Li - 2023 - Journal of Medical Virology - Wiley Online Library

Evolution of Immune Evasion and Host Range Expansion by the SARS-CoV-2 B.1.1.529 (Omicron) Variant