Although the epidemic is extremely contagious, it does not have the same high mortality rate as other viruses, mankind must experience and face this epidemic in order to unite and prepared next more severe outbreak . Just imagine what a virus with the same infection rate but more higher mortality rate as “Black Death” would be like.
Because the event is a focal point event and it is one of the inevitable event. Main events which are meant to change the way of how humans lives on this planet.