Table 3. Characteristics of infectors in 21 transmission clusters identified by phylogenetic reconstruction based on pol sequences.

Cluster No.	Patient No.	Risk Factors	Sex	Age	Location	Genotype	CD4	PVL	Drug resistant mutations (HIVdb)
									PI Major	PI Minor	NRTI	NNRTI
1	YN178	IDU	Male	76	Jinghong	B’/C URF	341	7526
	YN218	Heterosexual	Male	76	Jinghong	B’/C URF	564	208505
	YN506	Heterosexual	Male	66	Jinghong	B’/C URF	339	12951
	YN507	Heterosexual	Female	64	Jinghong	B’/C URF	490	1870
	YN509	Heterosexual	Female	68	Jinghong	B’/C URF	479	140719
	YN513	Heterosexual	Female	64	Jinghong	B’/C URF	432	12900
	YN523	Heterosexual	Male	80	Jinghong	B’/C URF	206	10530
2	YN261	Heterosexual	Female	48	Jinghong	CRF07_BC	254	20820
	YN475	Heterosexual	Male	47	Jinghong	CRF07_BC	135	128310
3	YN163	Uncertain	Male	27	Jinghong	CRF08_BC	967	5450
	YN164	Uncertain	Male	31	Jinghong	CRF08_BC	191	100560
4	YN141	Heterosexual	Female	62	Jinghong	CRF08_BC	651	5563				V179T
	YN183	Heterosexual	Female	61	Jinghong	CRF08_BC	176	12525				V179T
	YN500	Heterosexual	Male	76	Jinghong	CRF08_BC	168	19633				V106IV, V179T
5	YN040	Heterosexual	Male	27	Menghai	CRF08_BC	249	156805				V90I
	YN124	Heterosexual	Female	49	Menghai	CRF08_BC	190	44594				V90I
	YN190	Heterosexual	Male	38	Menghai	CRF08_BC	273	1050				V90I
	YN588	Heterosexual	Male	32	Menghai	CRF08_BC	319	32013				V90I
	YN590	Heterosexual	Female	24	Menghai	CRF08_BC	564	108756				V90I
6	YN155	Heterosexual	Female	41	Jinghong	CRF08_BC	444	324
	YN493	Heterosexual	Female	33	Jinghong	CRF08_BC	579	167500
7	YN102	Heterosexual	Male	39	Jinghong	CRF08_BC	191	4108				E138A
	YN103	Heterosexual	Female	27	Jinghong	CRF08_BC	454	654043
8	YN266	Heterosexual	Female	28	Jinghong	CRF08_BC	440	1527400
	YN522	Heterosexual	Female	25	Jinghong	CRF08_BC	840	2579
9	YN584	Heterosexual	Male	28	Puer	CRF08_BC	521	<50				E138A
	YN585	Heterosexual	Male	29	Puer	CRF08_BC	461	<50				E138A
10	YN106	IDU	Male	48	Jinghong	CRF08_BC	53	1665004
	YN524	Heterosexual	Female	35	Mengla	CRF08_BC	1178	1320
11	YN123	Heterosexual	Female	23	Menghai	CRF08_BC	400	2095
	YN569	Heterosexual	Male	25	Menghai	CRF08_BC	392	3328
	YN570	Heterosexual	Female	23	Menghai	CRF08_BC	139	4114
12	YN251	IDU	Male	28	Jinghong	CRF08_BC	462	1871
	YN464	Heterosexual	Female	16	Jinghong	CRF08_BC	495	25533
13	YN127	Heterosexual	Male	28	Jinghong	CRF08_BC	1073	16700
	YN468	MSM	Male	25	Jinghong	CRF08_BC	515	2301
	YN470	MSM	Male	38	Jinghong	CRF08_BC	387	40423
	YN473	MSM	Male	25	Jinghong	CRF08_BC	350	38508
	YN529	Heterosexual	Male	36	Jinghong	CRF08_BC	623	16965
14	YN136	Heterosexual	Female	20	Menghai	CRF08_BC	396	1068		Q58E, T74S
	YN196	Heterosexual	Male	29	Menghai	CRF08_BC	387	1370		Q58E, T74S
	YN577	Heterosexual	Male	29	Menghai	CRF08_BC	594	17220		Q58E, T74S
15	YN239	Heterosexual	Male	28	Jinghong	CRF08_BC	355	738				V90I, V179D
	YN295	IDU	Male	31	Jinghong	CRF08_BC	523	1204				V90I, V179D
	YN297	IDU	Male	33	Jinghong	CRF08_BC	619	1109				V90I, V179D
	YN294	IDU	Male	30	Jinghong	CRF08_BC	604	779				V90I, V179D
16	YN119	Heterosexual	Male	19	Jinghong	CRF08_BC	309	131000
	YN120	IDU	Male	23	Jinghong	CRF08_BC	351	790690				Y181HY
	YN252	Heterosexual	Male	42	Jinghong	CRF08_BC	337	1202
17	YN195	Heterosexual	Male	29	Menghai	CRF01_AE	40	207798		L33F*
	YN274	IDU	Male	23	Jinghong	CRF01_AE	1618	318		L33F*
18	YN193	Heterosexual	Female	24	Menghai	CRF01_AE	58	213587				A98G
	YN194	Heterosexual	Male	26	Menghai	CRF01_AE	1042	56				A98G
	YN563	Heterosexual	Male	35	Menghai	CRF01_AE	36	6241				A98G
19	YN185	Heterosexual	Male	59	Jinghong	CRF01_AE	86	84786		L33F*
	YN564	Heterosexual	Female	26	Menghai	CRF01_AE	195	132000		L33F*
20	YN219	Heterosexual	Female	35	Jinghong	CRF01_AE	652	2450
	YN223	Heterosexual	Male	36	Jinghong	CRF01_AE	138	10400
21	YN259	Heterosexual	Male	26	Menghai	CRF01_AE	480	258460
	YN576	Heterosexual	Female	22	Menghai	CRF01_AE	711	28202