A Multinational Case Series Describing Successful Treatment of Persistent Severe Acute Respiratory Syndrome Coronavirus 2 Infection Caused by Omicron Sublineages With Prolonged Courses of Nirmatrelvir/Ritonavir. - Snell, Luke B; McGreal-Bellone, Aimee; Nye, Clemency; Gage, Sarah; Bakrania, Prijay; Williams, Tom G S; Aarons, Emma; Botgros, Alina; Douthwaite, Samuel T; Mallon, Patrick; Milligan, Iain; Moore, Catherine; et al. (Open Forum Infectious Diseases, 2024)