Fig. 5From: In vitro screening antiviral activity of Thai medicinal plants against porcine reproductive and respiratory syndrome virusIPMA of Caesalpinia sappan Linn. inhibiting PRRSV replication in MARC-145 cells at 24 (A–D), 48 (E and F), and 72 h post-infection (hpi) (I–L). a, b, and c: P-value of < 0.05 compared with different concentrations of C. sappan. Scale bar in the figure: 200 μmBack to article page