Disease Prevention

Disease Tracker

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The charts below show the types and numbers of illnesses that have been reported in Woodbury County. The current year as well as last year are shown.

It should be noted that individual cases of common illnesses such as influenza and norovirus (also known as "stomach flu") are not reportable, so numbers of those cases are not shown. Those illnesses are only reportable during outbreaks and other special circumstances.

2024

January 1, 2024 through April 25, 2024

All cases are either confirmed or probable cases

Reportable Diseases in Woodbury County Number of Cases
Campylobacter 3
Chlamydia 202
Cryptosporidium* 0
E. coli / Shiga toxin** 2
Giardia 2
Gonorrhea 57
Hepatitis B (acute)  1 
Hepatitis B (chronic) 6
Salmonella* 5
Shigella** 1
Syphilis (all stages) 20

*Requires public health follow up investigations by local public health
**Requires the enforcement of exclusions if they are a food worker, daycare worker, child in daycare, or a healthcare worker who has direct patient care.

2019 - 2023 Case Numbers

All cases are either confirmed or probable cases

Infection  2023  2022 2021  2020  2019
Campylobacter  21 26 26 14 16
Chlamydia  674 806  822 838  810 
Cryptosporidium*  6 14 8 15  25 
Cyclospora   0 1 4  0  0 
E. coli / Shiga toxin**  6 13 12 5  13 
Giardia  7 6 4 4  21 
Gonorrhea  178 321 426 424  416 
Hepatitis A  1  0 0  0 0
Hepatitis B (acute)*  0 0 1 0  2 
Hepatitis B (chronic)*  15 21 20 8  20 
Legionella*   1 2 2 0  0 
Lyme Disease  1 1       
Monkeypox   0 3       
Mumps*  0 1  0 0  0 
Pertussis*  0 0  1 0  2 
Salmonella*  21 29  25 15  28 
Shigella**  10 2  2 1  3 
Syphilis (all stages)   107 98 25 1  3 
West Nile Virus*  1 1  2 0  2 

*Requires public health follow up investigations by local public health
**Requires the enforcement of exclusions if they are a food worker, daycare worker, child in daycare, or a healthcare worker who has direct patient care.