Table 1. Statistics of events for the COVID-19 rumor dataset after removing duplicates.

Event		Rumor		Non-rumor
		Modality 1	Modality 2	Modality 1	Modality 2
COVID-19 irrelevant	MH370	134	239	263	156
	College entrance exams	591	945	148	153
	Olympics	82	199	174	149
	Urban managers	150	305	95	71
	Cola	420	407	216	285
	Child trafficking	173	258	95	54
	Waste oil	58	91	134	122
	Accident	83	168	101	77
	Earthquake	59	133	118	85
	Typhoon	65	163	108	90
	Rabies	43	77	102	70
COVID-19 relevant	Lockdown the city	25	59	87	89
	Zhong Nanshan	22	48	56	44
	Wuhan	70	161	168	154
Total		1,975	3,253	1,865	1,599