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[Preprint]. 2022 Nov 21:2022.11.17.516888. [Version 2] doi: 10.1101/2022.11.17.516888

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Extended data Figure 2. — Nasopharyngeal swabs from either Delta or Omicron-infected individuals were cultivated on Vero-TMPRSS2 and IGROV-1 cells. Limiting dilution were performed to calculate viral infectivity titers. After 48h of culture, cells were stained using a pan-coronavirus anti-N antibody to visualize infection (AlexaFluor488 in green) and Hoechst to visualize nuclei (in blue). Both swabs have a RT-qPCR Cycle threshold (CT) of 16.4. Two representative individuals are displayed. Scale bar, 200 μm.