Volume 16, Number 11—November 2010
Letter
Two Clusters of HIV-1 Infection, Rural Idaho, USA, 2008
Table
Case ID | Sex | Risk factors | Cluster† | Phylogenetic group |
---|---|---|---|---|
1 | F | WSMW/SIDU | A | 1 |
2 | F | WSMW/SIDU | A | 1 |
3 | M | MSMW/IDU | A | 1 |
4‡ | M | MSW | A | ND |
5 | M | MSM | B | 2 |
6‡ | M | MSM | B | ND |
7‡ | M | MSM | B | ND |
8‡ | M | MSM | B | ND |
9 | M | MSM | B | 2 |
10§ | M | MSM | B | ND |
11 | M | MSM | B | 2 |
12‡ | M | MSM | B | ND |
13 | M | MSM | B | 2 |
14 | F | WSM | A | 1 |
15 | M | MSM | B | 2 |
16¶ | M | MSM | ND | 1 |
*ID, identification; WSMW, women who have sex with men and women; SIDU, sex with injection drug users; MSMW, men who have sex with men and women; IDU, injection drug user; MSW, men who have sex with women; ND, not determined; MSM, men who have sex with men; WSM, women who have sex with men.
†Cluster A associated with injection drug use; cluster B associated with MSM.
‡HIV-1 sequence was not available for molecular analysis.
§HIV-1 sequence was similar to controls but not to sequences from either cluster A or B.
¶Case with no epidemiologic link to cluster A or cluster B.
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