The chief of the WHO explained that `` co '' means Corona , `` vi '' means 'virus ' , and `` d '' means disease , hence the appellation COVID-19 .
World Health Organization chief Tedros Adhanom Ghebreyesus explained that CO stands for , VI for and D for , while 19 is for the year that the outbreak was first identified ; 30 December 2019 .
Coronavirus disease 2019