Fecha de publicación: 05/01/2023 Fuente: WIPO (eseential oils OR extracts) Provided are a pharmaceutical composition, a quasi-drug composition, a feed additive, a drinking water additive, a feed, and a drinking water for preventing, ameliorating, or treating porcine epidemic diarrhea (PED) virus infection, each including, as an active ingredient, a complex including a curcuminoid-based compound and a licorice extract or a fraction thereof.