Among 262 COVID-19- positive patients brought to a Beijing hospital by Beijing EMS in January and February 2020, the median incubation period was 6.7 days.

University of Michigan - Ann Arbor

- Wuhan, China
- Beijing, China
- Shenzhen, China
- Germany

COVID-19 Incubation Period Categorized by Geographic Locations 

Tian, S., Hu, N., Lou, J., Chen, K., Kang, X., & Xiang, Z. et al. (2020). Characteristics of COVID-19 infection in Beijing. Journal Of Infection, 80(4), 401-406. https://doi.org/10.1016/j.jinf.2020.02.018

https://www.journalofinfection.com/article/S0163-4453(20)30101-8/pdf

Characteristics of COVID-19 infection in Beijing

- Travellers from Wuhan, China
- Laboratory-confirmed cases
- Pediatric cases (children)

Populations of COVID-19 Incubation Period in Wuhan, China

Incubation Period for COVID-19 in Beijing, China    

- Among 391 cases, the median incubation period was estimated to be 4.8 days (95% CI: 4.2-5.4).
- 5% of the cases that develop symptoms were estimated to do so by 1.6 days (95% CI: 1.3-2.0), and 95% by 14.0 days (95% CI: 12.2 – 15.9)


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