COVID-19 Transmission Within a Family Cluster by Presymptomatic Carriers in China

doi:10.1093/cid/ciaa316

. 2020 Jul 28;71(15):861-862.

doi: 10.1093/cid/ciaa316.

COVID-19 Transmission Within a Family Cluster by Presymptomatic Carriers in China

Guoqing Qian¹, Naibin Yang¹, Ada Hoi Yan Ma², Liping Wang¹, Guoxiang Li¹, Xueqin Chen³, Xiaomin Chen¹

Affiliations

¹ Department of Internal General Medicine, Ningbo First Hospital, Ningbo, Zhejiang Province, China.
² Nottingham University Business School, University of Nottingham Ningbo China, Ningbo, Zhejiang Province, China.
³ Department of Chinese Traditional Medicine, Ningbo First Hospital, Ningbo, Zhejiang Province, China.

PMID: 32201889
PMCID: PMC7184331
DOI: 10.1093/cid/ciaa316

COVID-19 Transmission Within a Family Cluster by Presymptomatic Carriers in China

Guoqing Qian et al. Clin Infect Dis. 2020.

. 2020 Jul 28;71(15):861-862.

doi: 10.1093/cid/ciaa316.

Authors

Guoqing Qian¹, Naibin Yang¹, Ada Hoi Yan Ma², Liping Wang¹, Guoxiang Li¹, Xueqin Chen³, Xiaomin Chen¹

Affiliations

¹ Department of Internal General Medicine, Ningbo First Hospital, Ningbo, Zhejiang Province, China.
² Nottingham University Business School, University of Nottingham Ningbo China, Ningbo, Zhejiang Province, China.
³ Department of Chinese Traditional Medicine, Ningbo First Hospital, Ningbo, Zhejiang Province, China.

PMID: 32201889
PMCID: PMC7184331
DOI: 10.1093/cid/ciaa316

Abstract

We report a family cluster of coronavirus disease 2019 (COVID-19) caused by a presymptomatic case. There were 9 family members, including 8 laboratory-confirmed with COVID-19, and a 6-year-old child had no evidence of infection. Among the 8 patients, 1 adult and a 13-month-old infant were asymptomatic, and 1 adult was diagnosed as having severe pneumonia.

Keywords: COVID-19; family cluster; presymptomatic carriers.

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Figures

**Figure 1.**
Timeline of exposure to index patients with coronavirus disease 2019 (COVID-19) in China. Abbreviations: F, female; ICU, intensive care unit; M, male; PCR, polymerase chain reaction.

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References

1. Zhu N, Zhang D, Wang W, et al. . A novel coronavirus from patients with pneumonia in China, 2019. N Engl J Med 2020; 382:727–33. - PMC - PubMed
1. Chan JF-W, Yuan S, Kok K-H, et al. . A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission: a study of a family cluster. Lancet 2020. doi:10.1016/S0140-6736(20)30154-9. - DOI - PMC - PubMed
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[1] Zhu N, Zhang D, Wang W, et al. . A novel coronavirus from patients with pneumonia in China, 2019. N Engl J Med 2020; 382:727–33. - PMC - PubMed

[2] Zhu N, Zhang D, Wang W, et al. . A novel coronavirus from patients with pneumonia in China, 2019. N Engl J Med 2020; 382:727–33. - PMC - PubMed

[3] Chan JF-W, Yuan S, Kok K-H, et al. . A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission: a study of a family cluster. Lancet 2020. doi:10.1016/S0140-6736(20)30154-9. - DOI - PMC - PubMed

[4] Chan JF-W, Yuan S, Kok K-H, et al. . A familial cluster of pneumonia associated with the 2019 novel coronavirus indicating person-to-person transmission: a study of a family cluster. Lancet 2020. doi:10.1016/S0140-6736(20)30154-9. - DOI - PMC - PubMed

[5] Zou L, Ruan F, Huang M, et al. . SARS-CoV-2 viral load in upper respiratory specimens of infected patients. New Engl J Med 2020. doi:10.1056/NEJMc2001737. - DOI - PMC - PubMed

[6] Zou L, Ruan F, Huang M, et al. . SARS-CoV-2 viral load in upper respiratory specimens of infected patients. New Engl J Med 2020. doi:10.1056/NEJMc2001737. - DOI - PMC - PubMed

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COVID-19 Transmission Within a Family Cluster by Presymptomatic Carriers in China

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COVID-19 Transmission Within a Family Cluster by Presymptomatic Carriers in China

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