Analysis of the Transmissibility Change of 2019-Novel Coronavirus Pneumonia and Its Potential Factors in China from 2019 to 2020

Figure 3

The BDI of keywords “novel coronavirus” (blue line), “coronavirus” (brown line), and “coronavirus pneumonia” (pink line) in China from Jan.6, 2020, to Feb. 9, 2020. (a) BDI of “novel coronavirus” and “coronavirus,” (b) BDI of “coronavirus” and “coronavirus pneumonia,” (c) BDI of “novel coronavirus” and “coronavirus pneumonia”.

(a)

(b)

(c)