Table 2.

Replication of human (H1N1) influenza A and B virus clinical samples in Mv1Lu and MDCK cells

Cell typeSampleTiter at time of harvesta
24 h48 h72 h
HATCID50HATCID50HATCID50
MDCK96 559000000
96 15470>5.0+/−>5.0+>5.0
96 3806000000
Mv1Lu96 5590001.7505.125
96 154702.7504.62504.0
96 38060002.2504.5
  • a TCID50 assays were performed on MDCK cells.