Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Comment
. 2020 May-Jun:35:101620.
doi: 10.1016/j.tmaid.2020.101620. Epub 2020 Mar 25.

Importing coronavirus disease 2019 (COVID-19) into China after international air travel

Xiao-Ai Zhang  1 , Hang Fan  1 , Run-Zi Qi  2 , Wei Zheng  3 , Kui Zheng  4 , Jian-Hang Gong  2 , Li-Qun Fang  1 , Wei Liu  5
Affiliations
Comment

Importing coronavirus disease 2019 (COVID-19) into China after international air travel

Xiao-Ai Zhang et al. Travel Med Infect Dis. 2020 May-Jun.
No abstract available

Keywords: Case cluster; China; Coronavirus; Isolation and quarantine; Transmission.

PubMed Disclaimer

Conflict of interest statement

Declaration of competing interest The authors declare no conflicts of interest.

Figures

Fig. 1
Fig. 1
Timeline of events and investigations associated with two clusters of COVID-19 cases among travellers returning to China. Dates filled in red are the dates of onset of illness. Dates filled in purple are the dates on which Patients 1–2 and their daughter had close contacts with COVID-19 patients. Dates filled in orange are the dates on which patients 3–11 stayed at Wuhan city. Dates filled in yellow are the dates on which patients 4–9 stayed at other areas of Hubei province except Wuhan. The white boxes with an internal red cross are the dates of positive qRT-PCR result detected by Hangzhou International Travel Healthcare Center. The white boxes with an internal red horizontal line are the dates of negative qRT-PCR result detected by Hangzhou International Travel Healthcare Center. The blue boxes with an internal red cross are the dates of confirmation of patients by Hangzhou Municipal Health Commission. qRT-PCR = quantitative reverse transcriptase polymerase chain reaction. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 2
Fig. 2
Phylogenetic analysis of full-length genome of Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) sequences with strain of Patient 2 (named 2019-nCoV IME-HZ01). GISAID accession number of each sequence was listed in the figure. 2019-nCoV IME-HZ01 strain was grouped with other strains from Wuhan and other locations.
See this image and copyright information in PMC

Comment on

  • Clinical Characteristics of Coronavirus Disease 2019 in China.
    Guan WJ, Ni ZY, Hu Y, Liang WH, Ou CQ, He JX, Liu L, Shan H, Lei CL, Hui DSC, Du B, Li LJ, Zeng G, Yuen KY, Chen RC, Tang CL, Wang T, Chen PY, Xiang J, Li SY, Wang JL, Liang ZJ, Peng YX, Wei L, Liu Y, Hu YH, Peng P, Wang JM, Liu JY, Chen Z, Li G, Zheng ZJ, Qiu SQ, Luo J, Ye CJ, Zhu SY, Zhong NS; China Medical Treatment Expert Group for Covid-19. Guan WJ, et al. N Engl J Med. 2020 Apr 30;382(18):1708-1720. doi: 10.1056/NEJMoa2002032. Epub 2020 Feb 28. N Engl J Med. 2020. PMID: 32109013 Free PMC article.

References

    1. Zhu N., Zhang D., Wang W. A novel coronavirus from patients with pneumonia in China, 2019. N Engl J Med. 2020;382(8):727–733. - PMC - PubMed
    1. Rodríguez-Morales A.J.1, MacGregor K.2, Kanagarajah S. Going global-Travel and the 2019 novel coronavirus. Trav Med Infect Dis. 2020;33 - PMC - PubMed
    1. Li Q., Guan X., Wu P. Early transmission dynamics in Wuhan, China, of novel coronavirus–infected pneumonia. N Engl J Med. 2020;382(13):1199–1207. - PMC - PubMed
    1. Du Z., Wang L., Chauchemez S. Risk for transportation of 2019 novel coronavirus disease from Wuhan to other cities in China. Emerg Infect Dis. 2020;26(5) - PMC - PubMed
    1. Phan L.T., Nguyen T.V., Luong Q.C. Importation and human-to-human transmission of a novel coronavirus in vietnam. N Engl J Med. 2020;382(9):872–874. - PMC - PubMed