|
[1]
|
Chinese Center for Disease Control and Prevention. Guidelines for COVID-19 Epidemiological Investigations. China CDC Weekly 2020;2(19):327 − 8. http://dx.doi.org/10.46234/ccdcw2020.083CrossRef
|
|
[2]
|
Chinese Center for Disease Control and Prevention. Guidelines for Investigation and Management of Close Contacts of COVID-19 Cases. China CDC Weekly 2020;2(19):329 − 31. http://dx.doi.org/10.46234/ccdcw2020.084CrossRef
|
|
[3]
|
Chinese Center for Disease Control and Prevention. Technical Guidelines for COVID-19 Laboratory Testing. China CDC Weekly 2020;2(19):332 − 6. http://dx.doi.org/10.46234/ccdcw2020.085CrossRef
|
|
[4]
|
Tan WJ, Niu PH, Zhao X, Pan Y, Zhang Y, Chen LJ, et al. Reemergent Cases of COVID-19 Xinfadi Wholesales Market, Beijing Municipality, China, June 11, 2020. China CDC Weekly 2020. http://dx.doi.org/10.46234/ccdcw2020.132CrossRef
|
|
[5]
|
Tang XL, Wu CC, Li X, Song YH, Yao XM, Wu XK, et al. On the origin and continuing evolution of SARS-CoV-2. Natl Sci Rev 2020;7(6):1012 − 23. http://dx.doi.org/10.1093/nsr/nwaa036CrossRef
|