Short for 新型コロナウイルス (shingata korona uirusu, “novel coronavirus”). / Short for 新型コロナウイルス感染症 (shingata korona uirusu kansenshō, “novel coronavirus disease”).

(virology) coronavirus

COVID-19

defend (against); prevent (something)

spread of a disease / rampancy of the growth of vines / rampancy of a bad custom

(for disease) to spread / (for vines) to grow rampant / (a bad custom) to be rampant

wearing clothing or headgear

wear clothing or headgear

a mask (cover for the face), especially a gauze mask / looks, facial features

new style, new model, novel type