?url_ver=Z39.88-2004&rft_id=10.1128%2Fjvi.00922-23&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Kumar%2C+Sahil&rft.aulast=Kumar&rft.aufirst=Sahil&rft.issue=11&rft.volume=97&rft.date=30+November+2023&rft.issn=1098-5514&rft.atitle=Mutations+in+S2+subunit+of+SARS-CoV-2+Omicron+spike+strongly+influence+its+conformation%2C+fusogenicity%2C+and+neutralization+sensitivity+&rft.title=Journal+of+virology&rft.genre=article