HIV & STI Statistics

STI & HIV Cases Reported in Washtenaw County Residents 2009 to 2019

STI / HIV
2009 2010 2011 2012 2013 2014 2015 2016 2017
2018 2019
Chlamydia 1146 1379 1390 1426 1368 1437 1643 1773 1701 1707 1043
Gonorrhea 328
420
236
297
227
265
338
423
560
522 322
Syphilis (Total) (1) 22
19
37
21
39
42
52
49 43 53 35
Syphilis
(Primary & Secondary)
8 10 10 9 22 24 27 17 27 25 12
HIV (Newly diagnosed) (2) 6 20 21 24 33 28 27 27 15 n/a n/a

Data Source: Washtenaw County Health Department and Michigan Disease Surveillance System

1. Syphilis (Total) includes Primary & Secondary, Congenital, and Latent disease
2. Includes confidential and anonymous cases; HIV cases exclude persons in prison

Number of cases reported as of 7/31/19. Reports from 2019 are preliminary and subject to change.

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