Figure 4From: Can vaccinia virus be replaced by MVA virus for testing virucidal activity of chemical disinfectants? Concentration-dependent virucidal activity of isopropanol against MVA tested in all 3 laboratories (the minor absolute RF of Lab 3 is related to the lower starting virus titre). *At this concentration the measurable RF was limited by cytotoxic reactions and/or the amount of infectious viruses in the virus stock.Back to article page