Evaluation of plants for antiviral activity.
D000818:Animals; D000998:Antiviral Agents / Q000032:analysis*; D002642:Chick Embryo; D007194:India; D007372:Interferons / Q000032:analysis; D010946:Plants, Medicinal / Q000032:analysis*
D000998:Antiviral Agents; D007372:Interferons