Communicable Disease Data

Reported Cases of Communicable Disease in Washtenaw County Residents 2011-2021

  1. Foodborne / Waterborne
  2. Meningitis / Meningococcal
  3. Vaccine Preventable
  4. Vector-borne
  5. Other

Foodborne or Waterborne Diseases

Number of cases reported as of 9/30/21. Reports from 2020 and 2021 are preliminary and subject to change.
Disease 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020* 2021*
Botulism
0
0
0
0
0
0
0
0 0 0 0
Campylobacter
55
48
49
45
47
81
64
58 80 52 51
Cyclosporiasis
2
0
0
1
1
0
1
2 9 3 4
Cryptosporidiosis
23
12
2
7
3
14
13
9 42 14 11
E. coli - Shiga toxin (STEC)
6
10
4
6
10
10
10 19 30 13 14
Giardiasis
26
12
15
15
12
14
27
18 20 14 11
Hepatitis A
2
4
5
2
1
1
12
11 2 0 2
Listeriosis
3
4
1
0
0
1
1
0 1 2 2
Salmonellosis
32
31
37
22
40
43
41
34 47 28 23
Shigellosis
14
6
4
11
3
15
26
10 12 12 7
Typhoid Fever
0
0
1
1
0
1
0
0 0 0 0