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

the whole world

COVID-19

world

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

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

new style, new model, novel type

(astronomy) corona / (electricity) light that is seen by corona discharge / Clipping of コロナウイルス (koronauirusu, “coronavirus”). / COVID-19; COVID-19 pandemic

entire, complete, overall