The incubation period of some cases of the new coronavirus is 4 days, and the incubation period of individual cases even reaches 24 days, so don’t be too panic about it. The latest paper by Academician Zhong Nanshan shows that the incubation period of 24 days is not universal and is an isolated case, which is not representative compared to the incubation period data of other confirmed cases. The median incubation period of the new coronavirus is currently 3 days, with a minimum of 0 days and a maximum of 24 days, and its lethality is lower than that of SARS and MERS. 24 days incubation period means that the public should insist on good personal protection.