Table 1. Homologous clusters identification for cases in datasets D225 and D561.

Dataset	Clusters*	Doverall ≤0.6%			Doverall >0.6%
		Incident**		Chronic	Incident**		Chronic
		Single	Multiple		Single	Multiple
D225	S	136	16	0	0	9	0
	M	0	0	0	0	21	0
	D	0	0	0	0	0	0
	-	0	0	0	0	0	43
	Total	136	16	0	0	30	43
D561	S	282	45	1	10	15	0
	M	0	0	0	3	43	3
	D	0	0	0	0	0	4
	-	0	0	0	0	0	155
	Total	282	45	1	13	58	162

*Homologous clusters identified by the SCBD assay.

‘S’: single; ‘M’: multiple; ‘D’: declined; ‘-’: null.

**Incident infections were identified either as ‘single’ or ‘multiple’ infected according to resource information.