The World Health Organization says the incubation period, which is the time before symptoms appear, ranges from two to 10 days.
These estimates will be narrowed down as more data becomes available.
Knowing and understanding the incubation period is very important. It allows doctors and health authorities to introduce more effective ways to control the spread of the virus.
It means, for instance, that they can introduce more effective quarantine systems, isolating those suspected of carrying the virus from others.
Read more: bbc.com