FIGURE 1.

Epidemiological Curve of COVID-19 Cases Reported by Timeline in Published Papers.^3,4

Note: There is a difference in timing reported by Li et al.³ and Huang et al.,⁴ but both studies acknowledged that the epidemic started from mid-December, 2019. The data in the upper litter chart is from Huang et al.,⁴ and the data of the larger chart is from Li et al.³