Chinese CDC (2020) Progress of the COVID-19 in Beijing epidemic in June-July, http://www.chinacdc.cn/jkzt/crb/zl/szkb_11803/jszl_11811/202007/t20200710_217703.html. Accessed 17 July 2020 (In Chinese)

Chin AWH, Chu JTS, Perera MRA, Hui KPY, Yen H-L, Chan MCW, Peiris M, Poon LLM (2020) Stability of SARS-CoV-2 in different environmental conditions. The Lancet Microbe 1:e10

CAS  Article  Google Scholar 

Chen H, Duan XY (2020) How to import foreign food safely? http://www.ccdi.gov.cn/toutiao/202008/t20200815_223796.html. Accessed 15 August 2020 (In Chinese)

Fisher D, Reilly A, Zheng AKE, Cook AR, Anderson DE (2020) Seeding of outbreaks of COVID-19 by contaminated fresh and frozen food. bioRxiv. https://doi.org/10.1101/2020.08.17.255166

Pan Y, Zhang DT, Yang P, Poon LLM, Wang QY (2020) Viral load of SARS-CoV-2 in clinical samples. Lancet Infect Dis 20:411–412

CAS  Article  Google Scholar 

To KK, Tsang OT, Leung WS, Tam AR, Wu TC, Lung DC, Yip CC, Cai JP, Chan JM, Chik TS, Lau DP, Choi CY, Chen LL, Chan WM, Chan KH, Ip JD, Ng AC, Poon RW, Luo CT, Cheng VC, Chan JF, Hung IF, Chen Z, Chen H, Yuen KY (2020) Temporal profiles of viral load in posterior oropharyngeal saliva samples and serum antibody responses during infection by SARS-CoV-2: an observational cohort study. Lancet Infect Dis 20:565–574

CAS  Article  Google Scholar 

van Doremalen N, Bushmaker T, Morris DH, Holbrook MG, Gamble A, Williamson BN, Tamin A, Harcourt JL, Thornburg NJ, Gerber SI, Lloyd-Smith JO, de Wit E, Munster VJ (2020) Aerosol and surface stability of SARS-CoV-2 as compared with SARS-CoV-1. N Engl J Med 382:1564–1567

Article  Google Scholar 

Waltenburg MA, Victoroff T, Rose CE, Butterfield M, Jervis RH, Fedak KM, Gabel JA, Feldpausch A, Dunne EM, Austin C, Ahmed FS, Tubach S, Rhea C, Krueger A, Crum DA, Vostok J, Moore MJ, Turabelidze G, Stover D, Donahue M, Edge K, Gutierrez B, Kline KE, Martz N, Rajotte JC, Julian E, Diedhiou A, Radcliffe R, Clayton JL, Ortbahn D, Cummins J, Barbeau B, Murphy J, Darby B, Graff NR, Dostal TKH, Pray IW, Tillman C, Dittrich MM, Burns-Grant G, Lee S, Spieckerman A, Iqbal K, Griffing SM, Lawson A, Mainzer HM, Bealle AE, Edding E, Arnold KE, Rodriguez T, Merkle S, Pettrone K, Schlanger K, LaBar K, Hendricks K, Lasry A, Krishnasamy V, Walke HT, Rose DA, Honein MA, C-R Team (2020) Update: COVID-19 among workers in meat and poultry processing facilities: United States, April–May 2020. MMWR Morb Mortal Wkly Rep 69:887–892

CAS  Article  Google Scholar 

World Health Organization (WHO) (2020) Coronavirus disease (COVID-19) pandemic. https://www.who.int/emergencies/diseases/novel-coronavirus-2019

Yang J, Niu P, Chen L, Wang L, Zhao L, Huang B, Ma J, Hu S, Wu L, Wu G, Huang C, Bi Y, Tan W (2020) Genetic tracing of HCoV-19 for the re-emerging outbreak of COVID-19 in Beijing, China. Protein Cell. https://doi.org/10.1007/s13238-020-00772-0

Article  PubMed  PubMed Central  Google Scholar 

Zhang N, Gong Y, Meng F, Shi Y, Wang J, Mao P, Chuai X, Bi Y, Yang P, Wang F (2020) Comparative study on virus shedding patterns in nasopharyngeal and fecal specimens of COVID-19 patients. Sci China Life Sci. https://doi.org/10.1007/s11427-020-1783-9:1-3

Article  PubMed  PubMed Central  Google Scholar 

Zhou P, Yang XL, Wang XG, Hu B, Zhang L, Zhang W, Si HR, Zhu Y, Li B, Huang CL, Chen HD, Chen J, Luo Y, Guo H, Jiang RD, Liu MQ, Chen Y, Shen XR, Wang X, Zheng XS, Zhao K, Chen QJ, Deng F, Liu LL, Yan B, Zhan FX, Wang YY, Xiao GF, Shi ZL (2020) A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature 579:270–273

CAS  Article  Google Scholar