Letter to the Editor from Masaki Imai, D.V.M., Ph.D., et al. Three sublineages of the B.1.1.529 (omicron) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have serially transitioned into globally dominant forms — first BA.1, then BA.2, and then...
Efficacy of Antiviral Agents against Omicron Subvariants BQ.1.1 and XBB
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