Figure 1From: New low-viscosity overlay medium for viral plaque assaysParallel plaque assays in 6-well plates under agar overlay and overlays containing 1.2%, 0.6%, and 0.3% of Avicel RC-581. MDCK cells were infected with influenza virus A/Memphis/14/96-M (H1N1) and immuno-stained using aminoethylcarbazole substrate (AEC).Back to article page