The definition of a novel coronavirus (nCoV) is one that has not been found in humans before that point. In November of 2019, a nCoV was found in Wuhan, China. That coronavirus was first labeled as 2019-nCoV.
The influenza virus is responsible for the morbidity and mortality of millions of people every year throughout the world. The World Health Organization (WHO) has recently warned that influenza is a global health threat and has the potential to become a global pandemic unless nations take measures to “prevent, control and prepare.”