Communicable Disease Data

Reported Cases of Communicable Disease in Washtenaw County Residents 2012-2023

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

Foodborne or Waterborne Diseases

Number of cases reported as of 4/18/23. Reports from 2022 and 2023 are preliminary and subject to change.
Disease 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022* 2023*
Botulism
 0
 0
 0
 0
 0
 0
 0 0 0 0 0 0
Campylobacter
 48
 49
 45
 47
 81
 64
 58 80 52 65 87 27
Cyclosporiasis
 0
 0
 1
 1
 0
 1
 2 9 3 4 8 0
Cryptosporidiosis
 12
 2
 7
 3
 14
 13
 9 42 14 16 23 3
E. coli - Shiga toxin (STEC)
 10
 4
 6
 10
 10
 10 19 30 13 21 19 9
Giardiasis
 12
 15
 15
 12
 14
 27
 18 20 14 16 29 14
Hepatitis A
 4
 5
 2
 1
 1
 12
 11 2 0 4 1 0
Listeriosis
 4
 1
 0
 0
 1
 1
 0 1 2 2 3 0
Salmonellosis
 31
 37
 22
 40
 43
 41
 34 47 28 26 30 7
Shigellosis
 6
 4
 11
 3
 15
 26
 10 12 12 9 17 6
Typhoid Fever
 0
 1
 1
 0
 1
 0
 0 0 0 0 0 0
Yersinia Enteritis N/A N/A N/A N/A N/A N/A 2 9 6 7 18 9