From: The governance of imported 2019-nCov infections: What can be learned from China’s experience?
First date of confirmed cases | First location of confirmed cases | Possible causes |
---|---|---|
11 June 2020 | Beijing | By an environment-to-human transmission from contaminated food imported via cold-chain logistics |
22 July 2020 | Dalian | Clustered outbreak due to exposure at a processing facility of frozen seafood products |
24 October 2020 | Kashi | Transmission from offshore containers |
8 November 2020 | Tianjin | Contact with imported frozen pork with positive nucleic acid test (NAT) |
9 November 2020 | Shanghai | Exposure to an inbound aviation container |
7 December 2020 | Chengdu | Contact with waste in a quarantine facility of confirmed cases of international travelers |
25 December 2020 | Beijing | Contact with a confirmed asymptomatic case of international traveler |
21 May 2021 | Shenzhen | Exposure to international cargo ships |
20 July 2021 | Nanjing | Exposure to an inbound flight |