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Varicella

  • Varicella Home
  • Basics
  • For Health Professionals
  • For Schools and Child Care
  • Statistics

Related Topics

  • Immunization
  • Shingles (Herpes Zoster)
  • Infectious Diseases A-Z
  • Reportable Infectious Diseases
Contact Info
Infectious Disease Epidemiology, Prevention and Control Division
651-201-5414
IDEPC Comment Form

Contact Info

Infectious Disease Epidemiology, Prevention and Control Division
651-201-5414
IDEPC Comment Form

Varicella (Chickenpox) and Zoster (Shingles) Statistics

Updated 6/18/2025

The incidence of varicella (chickenpox) has declined sharply in Minnesota over the last 15 years with the introduction of the varicella vaccine and new immunization recommendations and requirements. From 2005 to 2012, we monitored varicella activity through outbreaks reported by K-12 schools and individual cases reported by selected sentinel schools. When the reported numbers became too low to detect disease trends, the state reporting rule for varicella was revised. Since 2013, health care providers, child cares, and schools have been required to report all suspected and confirmed cases of varicella.

On this page:
Varicella and zoster annual statistics
2025 varicella cases to date
2024 varicella cases
Disease Control Newsletter (DCN)

Varicella and zoster annual statistics

Varicella annual case counts, 2013-2023, Minnesota

Graph of varicella case counts by year for incidence per 100,000

Varicella and Zoster Annual Statistics Summaries
Archive of annual summaries of varicella (chickenpox) and zoster (shingles) statistics including incidence of chickenpox by age and county, effects of vaccination, risk factors, and trends for childhood shingles.

2025 varicella cases to date

Data are preliminary and may change as reports are received.

As of June 18, 2025, the number of probable and confirmed cases reported: 150

2025 cases by county map

Probable and confirmed varicella case counts by county.

2025 cases by county

CountyNumber of cases
Aitkin0
Anoka2
Becker0
Beltrami0
Benton1
Big Stone0
Blue Earth1
Brown0
Carlton2
Carver2
Cass0
Chippewa0
Chisago1
Clay0
Clearwater0
Cook0
Cottonwood0
Crow Wing2
Dakota38
Dodge0
Douglas0
Faribault0
Fillmore1
Freeborn0
Goodhue2
Grant0
Hennepin39
Houston0
Hubbard1
Isanti0
Itasca1
Jackson0
Kanabec1
Kandiyohi0
Kittson0
Koochiching0
Lac Qui Parle0
Lake0
Lake of the Woods0
Le Sueur0
Lincoln0
Lyon1
Mahnomen1
Marshall0
Martin1
McLeod5
Meeker0
Mille Lacs2
Morrison0
Mower0
Murray0
Nicollet0
Nobles1
Norman0
Olmsted1
Otter Tail1
Pennington0
Pine1
Pipestone0
Polk0
Pope0
Ramsey6
Red Lake0
Redwood3
Renville1
Rice2
Rock0
Roseau0
Scott9
Sherburne3
Sibley0
St. Louis2
Stearns2
Steele1
Stevens0
Swift0
Todd1
Traverse0
Wabasha0
Wadena0
Waseca0
Washington8
Watonwan0
Wilkin0
Winona1
Wright3
Yellow Medicine0
Unknown0

2024 Varicella Cases to Date

Data are preliminary and may change as reports are received.

As of December 31, 2024, the number of probable and confirmed cases reported: 203

2024 Cases by County Map

Probable and confirmed varicella case counts by county.

2024 Cases by County

CountyNumber of cases
Aitkin0
Anoka7
Becker0
Beltrami1
Benton4
Big Stone0
Blue Earth1
Brown1
Carlton0
Carver16
Cass0
Chippewa0
Chisago3
Clay2
Clearwater0
Cook0
Cottonwood0
Crow Wing3
Dakota23
Dodge1
Douglas1
Faribault0
Fillmore0
Freeborn1
Goodhue1
Grant0
Hennepin44
Houston0
Hubbard0
Isanti2
Itasca1
Jackson1
Kanabec0
Kandiyohi5
Kittson0
Koochiching0
Lac Qui Parle0
Lake0
Lake of the Woods0
Le Sueur0
Lincoln0
Lyon0
Mahnomen0
Marshall2
Martin0
McLeod1
Meeker0
Mille Lacs0
Morrison0
Mower4
Murray3
Nicollet1
Nobles0
Norman0
Olmsted7
Otter Tail0
Pennington0
Pine0
Pipestone0
Polk0
Pope0
Ramsey15
Red Lake1
Redwood0
Renville2
Rice1
Rock1
Roseau0
Scott7
Sherburne3
Sibley1
St. Louis1
Stearns4
Steele0
Stevens0
Swift0
Todd2
Traverse0
Wabasha0
Wadena2
Waseca0
Washington7
Watonwan0
Wilkin0
Winona1
Wright19
Yellow Medicine0
Unknown0

Disease Control Newsletter (DCN)

Disease Control Newsletter (DCN) annual summary of varicella and zoster disease in Minnesota. Provides the detailed statistics for disease activity in Minnesota for each year.

  • Annual Summary of Communicable Diseases Reported to the Minnesota Department of Health, 2022 
    To view the 2022 annual summary for varicella and zoster, open the PDF and search for varicella and zoster.
  • Annual Summary of Communicable Diseases Reported to the Minnesota Department of Health, 2021 
    To view the 2021 annual summary for varicella and zoster, open the PDF and search for varicella and zoster.
  • Annual Summary of Communicable Diseases Reported to the Minnesota Department of Health, 2020 
    To view the 2020 annual summary for varicella and zoster, open the PDF and search for varicella and zoster.
  • Varicella and Zoster, 2019
  • Varicella and Zoster, 2018
  • Varicella and Zoster, 2017
  • Varicella and Zoster, 2016
  • Varicella and Zoster, 2015
  • Varicella and Zoster, 2014
  • Varicella and Zoster, 2013
  • Varicella and Zoster, 2012
Tags
  • varicella
Last Updated: 06/18/2025

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