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Annual Summary of Reportable Diseases

About the DCN Annual Summary

MDH collects disease surveillance information on certain communicable diseases to determine disease impact, assess trends in disease occurrence, characterize affected populations, prioritize disease control efforts, and evaluate disease prevention strategies.

Published 8/15/2025

 
Current annual summary year: 2023
 

Assessment of the population’s health is a core public health function. Surveillance for communicable diseases is one type of assessment. Epidemiologic surveillance is the systematic collection, analysis, and dissemination of health data for the planning, implementation, and evaluation of health programs. The Minnesota Department of Health (MDH) collects information on infectious diseases for the purposes of determining disease impact, assessing trends in disease occurrence, characterizing affected populations, prioritizing control efforts, and evaluating prevention strategies. Prompt reporting allows outbreaks to be recognized in a timely fashion when control measures are most likely to be effective in preventing additional cases.

In Minnesota, communicable disease reporting is centralized, whereby reporting sources submit standardized reports to MDH. Cases of disease are reported pursuant to Minnesota Rules Governing Communicable Diseases (Minnesota Rules 4605.7000 -4605.7800). The diseases listed in Table 1 must be reported to MDH. As stated in the rules, physicians, health care facilities, laboratories, veterinarians, and others are required to report these diseases. Reporting sources may designate an individual within an institution to perform routine reporting duties (e.g., an infection preventionist for a hospital). Data maintained by MDH are private and protected under the Minnesota Government Data Practices Act (Section 13.3805).

Since April 1995, MDH has participated as an Emerging Infections Program (EIP) site funded by the U.S. Centers for Disease Control and Prevention (CDC) and, through this program, has implemented active hospital- and laboratory-based surveillance for several conditions, including selected bacterial diseases, foodborne diseases, tickborne diseases, and hospitalized influenza cases.

Isolates of pathogens from certain diseases are required to be submitted to MDH Minnesota Rules Governing Communicable Diseases (Minnesota Rules 4605.7000 -4605.7800). The MDH Public Health Laboratory (PHL) performs microbiologic and molecular evaluation of isolates, such as pulsed-field gel electrophoresis (PFGE) and whole genome sequencing (WGS), to determine whether isolates (e.g., enteric pathogens such as Salmonella and Escherichia coli O157:H7, and invasive pathogens such as Group A streptococcus) are related and potentially associated with a common source. Testing of submitted isolates also allows detection and monitoring of antimicrobial resistance.

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Reports by Category & Disease

  • Foodborne and Enteric (Intestinal) Diseases
  • Hepatitis
  • Hospital-Associated Infections
  • Invasive Bacterial Infections
  • Sexually Transmitted Infections & HIV
  • Tuberculosis
  • Unexplained Critical Illnesses and Deaths of Possible Infectious Etiology (UNEX)
  • Vaccine-Preventable Diseases
  • Vectorborne Diseases
  • Viral Respiratory Diseases
  • Waterborne Diseases
  • Zoonotic and Fungal Diseases

  • Anaplasmosis
  • Acute Flacid Myelitis
  • Arboviral Disease
  • Babesiosis
  • Blastomycosis
  • Botulism
  • Brucellosis
  • Campylobacteriosis
  • Candidemia
  • Carbapenem-resistant Enterobacteriaceae (CRE), Acinetobacter baumannii (CRA), and Pseudomonas aeruginosa (CRPA)
  • Chlamydia
  • Clostridium difficile
  • Coronavirus Disease 2019 (COVID-19)
  • Cryptosporidiosis
  • Cyclosporiasis
  • Escherichia coli O157 Infection and Hemolytic Uremic Syndrome (HUS)
  • Giardiasis
  • Gonorrhea
  • Haemophilus influenzae Invasive Disease
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Histoplasmosis
  • HIV Infection and AIDS
  • Influenza
  • Legionnaires’ Disease
  • Listeriosis
  • Lyme Disease
  • Malaria
  • Measles
  • Meningococcal Disease
  • Mpox
  • Mumps
  • Neonatal Sepsis
  • Non-tuberculosis mycobacterium
  • Pertussis
  • Q Fever
  • Rabies
  • Respiratory Syncytial Virus
  • Rubella & Congenital Rubella Syndrome
  • Salmonellosis
  • Shigellosis
  • Staphylococcus aureus
  • Streptococcus pneumoniae Invasive Disease
  • Streptococcal Invasive Disease Group A
  • Streptococcal Invasive Disease Group B
  • Syphilis & Congenital Syphilis
  • Toxoplasmosis
  • Tuberculosis
  • Tularemia
  • Unexplained Critical Illnesses and Deaths of Possible Infectious Etiology (UNEX) and Medical Examiner Infectious Deaths Surveillance (MED-X)
  • Varicella
  • Vibriosis
  • Zoster

Summary Table

Cases of Selected Communicable Diseases Reported to the Minnesota Department of Health by District of Residence, summarizes cases of selected communicable diseases reported during the reporting period by district of the patient’s residence (unless otherwise indicated). Pertinent observations for some of these diseases are presented below. Incidence rates in this report were calculated using disease-specific numerator data collected by MDH and a standardized set of denominator data derived from U.S. Census data. Disease incidence is categorized as occurring within the seven-county Twin Cities metropolitan area (metropolitan area) or outside of it in Greater Minnesota (unless otherwise indicated).

 

* Duration ≤1 year
** Duration >1 year
*** Includes unstaged neurosyphilis, latent syphilis of unknown duration, and latent syphilis with clinical manifestations

  • Download: Regional Summary (CSV)

County Distribution within Districts

  • Map of county distribution within districts: Map of Field Services Epidemiologists
    • Metropolitan - Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, Washington
    • Central - Benton, Cass, Chisago, Crow Wing, Isanti, Kanabec, Mille Lacs, Morrison, Pine, Sherburne, Stearns, Todd, Wadena, Wright
    • Southwestern - Big Stone, Chippewa, Cottonwood, Jackson, Kandiyohi, Lac Qui Parle, Lincoln, Lyon, Murray, Nobles, Pipestone, Redwood, Renville, Rock, Swift, Yellow Medicine
    • South Central - Blue Earth, Brown, Faribault, Le Sueur, McLeod, Martin, Meeker, Nicollet, Sibley, Waseca, Watonwan
    • Southeastern - Dodge, Fillmore, Freeborn, Goodhue, Houston, Mower, Olmsted, Rice, Steele, Wabasha, Winona
    • West Central - Becker, Clay, Douglas, Grant, Mahnomen, Norman, Otter Tail, Pope, Stevens, Traverse, Wilkin
    • Northwestern - Beltrami, Clearwater, Hubbard, Kittson, Lake of the Woods, Marshall, Pennington, Polk, Red Lake, Roseau
    • Northeastern - Aitkin, Carlton, Cook, Itasca, Koochiching, Lake, St. Louis

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Get an e-mail alert when a new DCN is published. We encourage all licensed physicians to subscribe.


Archive

  • Archive of Annual Summary of Communicable Diseases Reported to the Minnesota Department of Health
    Archive of past summaries (years prior to 2023 are available as PDFs).

Contact Info

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

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Tags
  • reportable
Last Updated: 08/21/2025

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