Table 3. Geographic distribution of hospitals among each cluster of MDR and XDR TB, Japan*.

Cluster no.	Patient ID	Type of TB	Hospital	Geographic link of the hospitals in clusters
1	DR43	MDR	A
	DR42	XDR	B	A and B located in same prefecture
2	DR14	MDR	C
	DR53	MDR	D	C located 103 km from D
3	DR54	XDR	D
	DR58	XDR	D
	DR18	XDR	E	D and E located in same prefecture
4	DR03	MDR	F
	DR04	MDR	F	Same hospital
5	DR11	MDR	G
	DR10	MDR	H	G located 221 km from H
6	DR51	XDR	D
	DR50	XDR	D
	DR55	MDR	D
	DR16	XDR	E	D and E located in same prefecture
7	DR38	XDR	D
	DR39	MDR	D	Same hospital
8	DR13	XDR	I
	DR56	XDR	D	I and D located in neighboring prefectures
9	DR12	XDR	I
	DR49	XDR	D	I and D located in neighboring prefectures

*MDR, multidrug-resistant; TB, tuberculosis; XDR, extensively drug-resistant.