This article is a preprinted version, and the preprinted version requires more peer opinions. According to the official requirements of the preprinted version, its information cannot be cited by the media, nor can it guide the clinical practice, and must be reviewed by peer.

2025/07/1521:49:35 hotcomm 1959

Source: CCTV News

Original title: Zhong Nanshan responded to "the incubation period is up to 24 days": Only one of the 1,099 samples is 24 days, and it is unscientific based on this.

Tonight (February 11), Academician Zhong Nanshan accepted an exclusive interview with CCTV reporters on the Central Television Station and responded to the recent media reports that "Zhong Nanshan's latest paper found that new coronavirus pneumonia can have a maximum incubation period of up to 24 days."

This article is a preprinted version, and the preprinted version requires more peer opinions. According to the official requirements of the preprinted version, its information cannot be cited by the media, nor can it guide the clinical practice, and must be reviewed by peer. - DayDayNews

Zhong Nanshan: Regarding our team’s article on the clinical characteristics of 1,099 patients with COVID-19, this study was provided by a total of 552 hospitals in 30 provinces, autonomous regions and municipalities across the country. The research team conducted a comprehensive analysis of the clinical characteristics of patients.

This article is a preprinted version, and the preprinted version requires more peer opinions. According to the official requirements of the preprinted version, its information cannot be cited by the media, nor can it guide the clinical practice, and must be reviewed by peer. - DayDayNews

This article is a preprint server. The preprint version needs to be solicited for more peer opinions. According to the official requirements of the preprint version, its information cannot be cited to the media, nor can it guide the clinical practice, and must be reviewed by peer. In the incubation period in the preprint plate, we have a statistical method that records it based on the patient's oral statement. We calculate it based on the patient's time of contact with the source of infection and the time when the symptoms first appear, with the longest being 24 days. But in fact, there was only 1 patient who was actually described for 24 days, which means that there were only 1 out of 1,099 cases. The time reported by this only one patient is not scientific enough to use the longest incubation period of the disease, and there are precedents in other diseases, such as rabies. Our study shows that the median in the incubation period of all patients is 4 days. In addition, we will report the interquartile spacing in this article, which is 2 days and 7 days respectively (i.e., the gap is 5 days), which more scientifically reflects the overall situation of the population.

Therefore some information about unpublished articles should not be over-interpreted.

(CCTV reporters Gong Haiquan Chen Xuting Xin Liangyi Chen Jiexiong)

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