Observations about symptomatic and asymptomatic infections of 494 patients with COVID-19 in Shanghai, China.
Mei X, Zhang Y, Zhu H, Ling Y, Zou Y, Zhang Z, Guo H, Liu Y, Cheng X, Liu M, Huang W, Wang J, Yi Z, Qian Z, Lu H.
Mei X, et al.
Am J Infect Control. 2020 Sep;48(9):1045-1050. doi: 10.1016/j.ajic.2020.06.221. Epub 2020 Jul 6.
Am J Infect Control. 2020.
PMID: 32645475
Free PMC article.