Drugs of plan arigin can have easy acceptability as yhey are non-toxic and inexpensive. Dillenia suffruticosa (D. suffruicosa), also known as Simpoh air in Malaysia, has antibacterial and antifungal activity, but no reported antiviral activity. This led the investigation of this plant against dengue virus type 2 (DV2) replication. Two type of samples : DV2-infected C6/36 cells and uninfected C6…