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Reduction of (A) feline calicivirus (FCV) titres (log TCID50/mL) and (B) murine norovirus (MNV) titres (log TCID50/mL) treated with P. oceanica extracts at different concentrations (0.5 or 0.05%) after 25 °C and 37 °C ON incubations, respectively. * Each bar represents the average of triplicates. Within each column, different letters denote significant differences between treatments. ** Horizontal line depicts the detection limit.
