HIV & STI Statistics

STI & HIV Cases Reported in Washtenaw County Residents 2010 to 2020

STI / HIV
2011 2012 2013 2014 2015 2016 2017
2018 2019 2020 2021
Chlamydia 1390 1426 1368 1437 1643 1773 1701 1707 1777 656 162
Gonorrhea 236
297
227
265
338
423
560
522 562 211 57
Syphilis (Total) (1) 37
21
39
42
52
49 43 53 49 22 11
Syphilis
(Primary & Secondary)
10 9 22 24 27 17 27 25 24 16 6
HIV (Newly diagnosed) (2) 21 24 33 28 27 27 15 29 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 7/31/2020. Reports from 2020 are preliminary and subject to change.

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