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Figure 1 | Virology Journal

Figure 1

From: Transcription factor regulation and cytokine expression following in vitro infection of primary chicken cell culture with low pathogenic avian influenza virus

Figure 1

Kinetics of CEH infection by H5N9, H5N3, H7N2 and H9N2 viruses. Cells were infected at MOI of 1 and supplemented with1μg/ml trypsin or without trypsin in the medium. The viral titers in supernatants collected at 6, 12, 24 and 48 hpi were determined as log10EID50/ml. The patterns bars represent the viral titers achieved without the use of supplemental trypsin. The gray bar stacked on top represents the increase in the viral titers with the addition of supplemental trypsin. Error bars show standard deviation of the mean, n = 3. *Indicates the difference (P < 0.05) between the supplemented with and without trypsin group.

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