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Table 2 Viral titers of H7N9 CVVs after serial passaging in Vero cells, MDCK cells, and chicken embryonic eggs

From: Development of high-growth influenza H7N9 prepandemic candidate vaccine viruses in suspension MDCK cells

CVVsHA titer (HAU/50 μL) at each passagea
V1V1aM1V1aM2V1aM3V1aM3E1V1sM1V1sM2V1sM3
NHRI-RG34646425620485125121024
NHRI-RG48646425620485125122048
NHRI-RG5642562562562048204820482048
NHRI-RG6641282562562048204820482048
  1. Note: aPassage history: V Vero cells, aM adherent MDCK cells, E eggs, sM suspension MDCK cells. The number indicates the passage number in the indicated cells