Risk of 2019 novel coronavirus importations throughout China prior to the Wuhan quarantine

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AI-generated summary by claude@2026-07, 2026-07-14

This study estimated the probability of 2019-nCoV importations from Wuhan to 369 Chinese cities before the quarantine, finding a >50% risk in 128 cities, including five large ones with no reported cases by January 26th.

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Abstract

On January 23, 2020, China quarantined Wuhan to contain an emerging coronavirus (2019-nCoV). Here, we estimate the probability of 2019-nCoV importations from Wuhan to 369 cities throughout China before the quarantine. The expected risk exceeds 50% in 128 [95% CI 75 186] cities, including five large cities with no reported cases by January 26th.

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europepmc
last seen: 2026-05-19T01:45:01.086888+00:00
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License: CC-BY-NC-ND-4.0