Figure 3.

Parallel plaque assays under overlays prepared using three different types of Avicel (CL-661, RC-591 and RC-581) with the same concentration (1.2%). Infection with A/Memphis/14/96-M (H1N1) in MDCK cells. Two replicate wells of the 6-well plate are shown for each overlay. Immuno-staining (AEC).

Matrosovich et al. Virology Journal 2006 3:63   doi:10.1186/1743-422X-3-63
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