Table 4.

Emotion transmission among different user groups for four topics of which their overall sentiments polarity was negative.

Topics	Emotions	Bot-To-Human	Human-To-Bot	Bot-To-Bot	Human-To-Human	Total
COVID-19 in the US	sadness	0.12	0.12	0.03	0.73	1
	anger	0.12	0.1	0.03	0.74	1
	anxiety	0.07	0.12	0.02	0.79	1
Health risks	sadness	0	0.06	0	0.94	1
	anger	0	0.05	0	0.95	1
	anxiety	0.05	0.06	0.01	0.88	1
COVID-19 in China	sadness	0.06	0.08	0.02	0.84	1
	anger	0.03	0.12	0.01	0.84	1
	anxiety	0.01	0.12	0	0.87	1
Economic impacts	sadness	0.02	0.09	0.01	0.89	1
	anger	0.06	0.1	0.01	0.83	1
	anxiety	0.04	0.11	0.01	0.84	1