SARS-CoV-2 Alpha, Beta and Delta variants display enhanced viral fusion properties compared to ancestral strains

In a new study recently published in EMBO Journal, scientists from the Institut Pasteur, the CNRS, Université de Paris, the Vaccine Research Institute and Sorbonne University examined the fusion mechanisms of different SARS-CoV-2 variants: Alpha (initially identified in the United Kingdom), Beta (initially identified in South Africa) and Delta (initially identified in India). The Delta variant is now the dominant variant worldwide, and accounts for 99% of viral sequences in many countries.

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