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