46+ Asymptomatic Coronavirus Contagious Period PNG. In contrast, asymptomatic people never have any symptoms during the course of their infections at all. With coronavirus, the incubation period is about three to 14 days, with symptoms typically appearing within four or five days after exposure, according to harvard medical school.

But in some cases, the incubation period can last as long as three weeks.

Reality is not that clear cut. That difference matters for the scientists who are the virus's incubation period — the time between getting infected and showing symptoms — is about five days. The american public has been confused about the number of asymptomatic people and how contagious they are. However, one study published in the lancet medical journal showed children may be shedding (or transmitting) the virus while asymptomatic.