Table 2.

The matrix of topics in the data set of World Health Organization (WHO) followers on Twitter.

Topic	Teamwork	Charity	Surveillance	Prevention	Solidarity	Ill-effect	Credibility
Teamwork	0	1303	331	3041	2390	307	208
Charity	1303	0	141	4159	4838	332	86
Surveillance	331	141	0	2849	856	85	82
Prevention	3041	4159	2849	0	13,132	2502	2136
Solidarity	2390	4838	856	13,132	0	1425	682
Ill-effect	307	332	85	2502	1425	0	84
Credibility	208	86	82	2136	682	84	0
Total	7580	10,859	4344	27,819	23,323	4735	3278