Table 3

Characteristics of the five men who have sex with men with primary HIV infection

	Patient 1	Patient 2	Patient 3	Patient 4	Patient 5
Age (years)	35	23	48	21	46
Ethnicity	Han	Han	Han	Han	Han
Marital status	Ever married	Never married	Ever married	Never married	Ever married
Education level	University or above	University or above	Junior high school	University or above	University or above
Internet as major mode of male partner identification	Yes	Yes	Yes	Yes	Yes
Had received HIV testing	Yes	No	Yes	Yes	No
CD4+ T cell count before ART (cells/μL)	405	384	309	322	478
HIV viral loads	>10 000 000	>10 000 000	>10 000 000	1 400 331	5 056 987
HIV subtype	CRF07_BC	CRF07_BC	CRF07_BC	CRF07_BC	CRF07_BC
Antiretroviral drug resistance	No	No	No	No	No
HIV RISK Assessment Tool
1. No. of same sex partners	2–5	2–5	2–5	2–5	0–1
I2. Had had HIV-positive same sex partners	No	Unknown	No	No	Unknown
3. Had had UAI with a man	Sometimes	Sometimes	Sometimes	Sometimes	Never
4. Had had commercial sex with a man	No	No	No	No	No
5. Had had an STD	No	No	No	No	No
6. Sex role	Receptive	Receptive	Inserted	Both	Inserted
7. Had used recreational drugs	No	No	No	No	No
8. Had had group sex with men	No	No	No	No	No
Composite score of HIV RISK Assessment Tool	15.75	14.11	13.46	14.80	8.00
The category of composite score	High	Moderate	Moderate	High	Low